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Table 4 Descriptive statistics for the pharmacoeconomic variables used in this study with data from meta-analysis and estimated by the expert panel

From: Cost-effectiveness analysis of OM-85 vs placebo in the prevention of acute respiratory tract infections (ARTIs) in children that attend day-care centers

Assessment

Mean

SEM

Median

SD

Variance

Min

Max

25th Pctl

75th Pctl

OM-85

 Effectiveness

0.466

0.002

0.467

0.049

0.002

0.38

0.55

0.424

0.508

 Tx without IS, n

5.6

0.01

5.59

0.29

0.09

4.93

6.3

5.37

5.85

 Tx with OM-85, n

2.99

0.01

2.97

0.32

0.1

2.31

3.83

2.74

3.24

 Incremental ARTIs, n

−2.61

0.01

−2.6

0.31

0.09

−3.4

−1.9

−2.82

− 2.38

Direct Costs ($MXN)

 Tx without IS

1140.8

15.1

1124.2

478.7

229,163

180

2149.1

742.1

1527.8

 Tx with OM-85

970.6

8.5

965.1

268.8

72,235

370.6

1647.9

746.9

1178.5

 Incremental

−170.2

7.4

−154.6

235.1

55,282.5

− 839.4

316.1

−341.5

14.9

 Cost-Effectiveness

−358.8

15.6

− 326.7

493.1

243,194

− 1528.9

756.2

−729.5

33.1

Direct Cost + Absenteeism ($MXN)

 Tx without IS

2515.1

20.5

2495.4

648.1

419,984

944.5

4140.4

2056.5

3003.1

 Tx with OM-85

1704.1

11.8

1681.2

373

139,107

853.9

2758.8

1442.9

1976.2

 Incremental

−811

23.3

− 790

737.8

544,411

− 2722.1

1490.8

−1365.8

−279

 Cost-Effectiveness

−1737.8

50.8

− 1662.5

1606.4

2,580,387

− 6705.7

3566.4

−2847.3

−586.7

  1. Absenteeism, parent missing work to care for a sick child; ARTIs acute respiratory tract infections, IS immunostimulant, Max maximum, Min minimum, Pctl percentile, SD standard deviation, SEM standard error of the mean, Tx treatment for acute respiratory tract infection