Table 3 Basic Metabolic Panel (80048, Blood Test) (t stats are reported in parentheses using robust standard errors)

 Total Number of Hospital Beds (100 s)

−0.048***

32.085***

−0.028***

32.162***

0.681***

(-7.15)

(25.77)

(-3.82)

(25.69)

(2.86)

 Medical Lab Employment (100 s)

-

-

−0.0632***

-

−2.273***

-

-

(-5.44)

-

(-3.05)

 Population Density (1,000 s per Square Mile)

0.229***

7.622*

0.234***

7.859*

0.403***

(4.89)

(1.69)

(5.02)

(1.75)

(3.40)

 Area (1,000 s of Square Miles)

0.257***

−18.468***

0.245***

−18.063***

−0.165

(8.00)

(-13.09)

(7.61)

(-12.49)

(-1.13)

 Average Hospital Size (100 s of Beds)

−0.419***

−63.206***

−0.459***

−60.800***

−1.864***

(-3.65)

(-6.20)

(-3.98)

(-5.81)

(-3.19)

 Lab Technician Licensing Laws

-

-

-

−60.772***

-

-

-

-

(-3.39)

-

Demographic Controls^a

YES

YES

YES

YES

YES

Year Trend

YES

NO

YES

YES

YES

Region Fixed Effect

YES

YES

YES

YES

YES

Year Trend × Region Fixed Effect

YES

NO

YES

YES

YES

No. of observations

6334

6344

6334

6334

6334

R-squared

0.209

0.515

0.210

0.515

-

Root MSE

6.379

456.31

6.373

456.31

11.88

First-stage F-statistics

-

-

-

Wooldridge Robust Score Test

-

-

-