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Table 1 Means and standard deviations of variables in the regression model

From: The relationship between safety net activities and hospital financial performance

Variable

Mean

Std. Dev.

Total operating margin

0.0003

0.0817

Total profit margin

0.0480

0.0690

Total expenditure (millions $)

96.900

92.000

SES indexa

-0.0993

0.9252

Medicaid intensity

0.1375

0.1218

Uncompensated care burden

3.7013

5.3715

Discharges

10938

7887.0

Outpatient visits

122389

116644

Intern-to-bed ratio

0.0549

0.1267

Not-for-profit

0.7363

0.4407

For-profit

0.1436

0.3507

System HHI

0.3642

0.1175

Mean HMO penetration

0.2565

0.1374

% Medicare admission

0.4801

0.1379

N

16680

 
  1. Notes:
  2. Source: AHA Annual Hospital Survey and Medicare Hospital Cost Reports (1990-1999)
  3. aA high score on SES index indicates low socioeconomic status