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Table 2 Summary of methodologies used to assess direct healthcare costs using self-reported data

From: Assessing direct healthcare costs when restricted to self-reported data: a scoping review

Study

Disease / condition

Tool/dataset to collect self-reported data on healthcare resources

Standardised tools for sub-group analysis of costs by health status

Healthcare resources included in cost estimates:

Self-reported

Healthcare services included in cost estimates:

Other data sourcesb

Recall periods of self-reported healthcare resources

Where do unit prices come from

Cost estimation:

1. Extrapolation to national level

2. Perspective

3. Costing method

4. Additional details

Carney et al. (2018) [15]

Multiple sclerosis; relapse of multiple sclerosis

Ad-hoc dedicated survey (n = 594)d: CSRI administered to patients registered with national patient association

EQ 5D-5L;

EQ-VAS

Inpatient hospital care, nursing home, rehabilitation, respite care, radiological investigations, laboratory investigations, other investigations, outpatient services, emergency department visits, primary care, specialist services, physiotherapy, occupational therapy, speech therapy, aids

Medication (literature)

Varying:

1 week, 6 months or 12 months; full duration of disease; during last period of relapse

National casemix/DRGs, national salary scales, national literature, Irish HC professionals (expert opinion), Irish central statistics office, other company and service price lists

1.yes

2.Societal

3. Bottom-up

4. Cost of appliances annualised with 4% discount rate

Ceilleachair et al. (2017) [16]

Colorectal cancer

Ad-hoc dedicated survey (n = 497): patient economic impact questionnaire e

Stratification by disease stage (tool not mentioned)

Out of pocket costs for primary care, medication, appliances

None

Since diagnosis

Survey specifically asking about costs

1. No

2. Patient

3. Bottom-up

Connolly et al. (2014) [17]

Dementia

Use of existing data from ECAD study in Gillespie et al. (2013)

Dependence Scale; Disability Assessment for Dementia scale;

Mini-Mental State Examination scale;

Neuropsychiatric Inventory

Primary care, community care, medication

GP services, respite care, nurse, physiotherapist, psychologist, chiropodist, occupational therapist, outpatient consultations, emergency admissions, medication (prior publications: Enhancing Care in Alzheimer’s disease (ECAD) study (Gallagher et al., 2010; Gillespie et al., 2012).

Varying:

6 months, 12 months

National casemix/DRGs, national salary scales, national literature, Irish central statistics office

1. Yes

2. Societal

3. Top-down and bottom-up

Dee et al. (2015) [18]

Overweight and obesity (body mass index > 25)

SLÁN 2007 & QNHS Q3

/

GP services, outpatient costs (taken from Doherty et al., 2013 [19]

GP services (Doherty et al. 2012 using SLAN), hospital inpatient care & day case care (HIPE in ROI, HIS in NI), medication (PCRS in ROI and BSO in NI)

12 months

National casemix/DRGs, national pharma database, national salary scales, social welfare data, national literature,

Irish central statistics office

1. Yes

2. Societal

3. Bottom-up

Doherty et al. (2013) [19]

Overweight and obesity (body mass index > 25)

SLÁN 2007 & QNHS Q3

General Health scale (5-fold)

GP services, inpatient hospital care, hospital day case services

None

12 months

Average consumer fees for GP care;

National literature

1. Yes

2. Healthcare servicesa

3. Bottom-up

Doherty and O’Neill (2014) [20]

Osteoarthritis, rheumatoid arthritis amongst older adults

TILDA

No tool mentioned

GP services, outpatient hospital services, emergency dept. visits, hospital inpatient care

None

12 months

National literature

1. Yes

2. Healthcare servicesa

3. Bottom-up

Fogarty et al. (2014) [21]

Multiple sclerosis

Ad-hoc Dedicated Survey (n = 214): CSRI administer, patients in St. Vincent’s University Hospital, Dublin

EQ-5D-5L;

Extended Disability Status Scale

Inpatient admissions, rehabilitation, nursing home care, outpatient care, primary healthcare visits, respite care, laboratory investigations, radiological investigations, other investigations, medication, mobility and other living aids

None

Varying:

1 week, 1 month, 6 months, 12 months; full duration of disease

National casemix/DRGs, national pharma database, national salary scales, social welfare data (national home scheme support), national literature,

Irish HC professionals (expert opinion and laboratory and finance departments),

Irish central statistics office,

other company and service price lists, patient estimates

1. Yes

2. Societal

3. Bottom-up

Gannon et al. (2013) [22]

Chronic pain (non-cancer)

Ad-hoc Dedicated PRIME Survey (n = 100): CSRI administer, patients in West of Ireland

No tool mentioned

Inpatient hospital care, outpatient visits to specialty care, outpatient visits to primary care, emergency room visits, ambulance costs, family medical practice nurse, psychologist, psychiatrist, public health nurse, occupational therapy, physiotherapy, chiropractor, acupuncture, homeopathy, prescription medication, mobility equipment

None

12 months

National casemix/DRGs, national pharma database, national salary scales,

Irish HC professionals (expert opinion and laboratory and finance departments),

Irish central statistics office

1. Yes

2. Partial societala

3. Bottom-up

4. Average patient costs across all services and individual patient costs by type of service calculated

Gillespie et al. (2013) [23]

Alzheimer’s disease & mild cognitive impairment in older adults

ECAD study:

Ad-hoc dedicated structured caregiver questionnaire (n = 100); including Resource Utilisation in Dementia Lite Instrument

Dependence Scale; Disability Assessment for Dementia scale;

Mini-Mental State Examination scale;

Neuropsychiatric Inventory

GP services, inpatient hospital visits, outpatient clinic consultations, emergency dept. visits, respite care, registered nurse, physiotherapist, psychologist, chiropodist, occupational therapist

None

6 months

National casemix/DRGs, national salary scales, national literature,

Irish central statistics office

1. No

2. Partial societala

3. Bottom-up

Perry et al. (2017) [24]

Childhood Obesity

GUI cohort ‘98

No tool mentioned

GP services

Hospital inpatient and day care costs, length of stay, mental health outpatient services, medication, specialist services including physiotherapy, psychologists, dieticians, nurses and administrative staff

12 months

National casemix/DRGs, national pharma database, staff costs of specialist childhood obesity unit, national literature,

Irish healthcare services (primary care and hospitals),

Irish central statistics office (National Employment Survey; National statistics)

1. Yes

2. Public healthcare

3. Top-down and bottom-up

Petrou et al. (2009) [25]

Extremely Preterm Birth (20–25 weeks)

EPICure Study: Postal questionnaire completed by parents (n = 331)

15-item Health Utilities Index (HUI2 & HUI3 health status classifications) and various standard tools to assess health and disability status

Hospital inpatient service, hospital day care services, community health services, prescription medication

None

12 months

UK national reference costs;

National compendium by the Personal Social Services Research Unit at the University of Kent provided community health and social services unit costs

1. No

2. Public sector

3. Bottom-up

4. UK economic evaluation guidelines used

Petrou et al. (2013) [26]

Extremely Preterm Birth (20–25 weeks)

EPICure Study: Postal questionnaire completed by parents (n = 331) c

15-item Health Utilities Index (HUI2 & HUI3 health status classifications) and various standard tools to assess health and disability status

Hospital inpatient care, hospital day care, outpatient services, community health services, prescription medication

None

12 months

UK national reference costs;

National compendium by the Personal Social Services Research Unit at the University of Kent provided community health and social services unit costs

1. No

2. Public sector

3. Bottom-up

4. UK economic evaluation guidelines used

Raftery et al. (2012) [27]

Chronic pain (non-cancer)

Dedicated telephone interview - CSRI; sample (n = 140) drawn from PRIME Study;

Chronic pain grade questionnaire to assess age-standardised costs in each pain grade

GP services, emergency dept. visits, inpatient hospital stays, outpatient appointments, prescription & non-prescription medication, complementary and alternative therapies (including psychologists, physiotherapy, chiropractor)

None

12 months

National casemix/DRGs;

Irish healthcare services

1. Yes

2. Partial societala

3. Bottom-up

Richardson et al. (2012) [28]

Polypharmacy in adults over 50

TILDA

General Health scale (5-fold)

Medication, food supplements

None

Daily or weekly use at time of interview

National pharma database

1. Yes

2. Healthcare

3. Bottom-up

  1. CSRI Client Service Receipt Inventory, ECAD,Enhancing care in Alzheimer’s disease, EPICure EPICure study, GP General Practitioner, GUI Growing Up in Ireland, QNHS Quarterly National Househod Survey, PRIME Prevalence, Impact and Cost of Chronic Pain, SLÁN Survey of Lifestyle, Attitudes and Nutrition in Ireland, TILDA The Irish Longitudinal study on Ageing
  2. aimplied, not explicit
  3. b other data sources mainly were healthcare-provider reported data, such as patient registry data collected in the Hospital In-Patient Enquiry system, disease-specific networks (e.g. Irish Cancer Society) and pharmaceutical registers. A minority of data were taken from previously published literature
  4. cApplied UK costs to Irish resource used data
  5. d Authors adapted surveys used in previous empirical studies for the Irish study population
  6. e The patient economic impact questionnaire was a study-specific questionnaire developed by the research team, informed by existing instruments, interviews and focus group discussions with survivors, and consultation with health professionals
  7. References in table
  8. Gallagher, D., Ni Mhaolain, A., Coen, R., Walsh, C., Kilroy, D., Belinski, K., & Lawlor, B. (2010). Detecting prodromal Alzheimer’s disease in mild cognitive impairment: utility of the CAMCOG. International Journal of Geriatric Psychiatry, 25, 1280–1287
  9. Gillespie, P., O’Shea, E., Cullinan, J., Lacey, L., Gallagher, D., Ni Mhaolain, A., & Lawlor, B. (2012). The effects of dependence and function on costs of care for Alzheimer’s disease and mild cognitive impairment in Ireland. International Journal of Geriatric Psychiatry
  10. Doherty E, Dee A, O’Neill C. Estimating the amount of overweight and obesity related health-care use in the republic of Ireland using SLAN data. Econ Soc Rev. 2012;43:227–50