Table 5

Second Set of Regression Results. Specialties Only, Ranked by Coefficient (First Set from Same Regression included in Table 4)a

Covariate

Linear Regression Coefficient

Lower 95% Confidence Limit

Upper 95% Confidence Limit


Pediatric emergency medicine

0.349*

0.042

0.657

Geriatric medicine

0.323*

0.051

0.594

Other pediatric subspecialty

0.270**

0.081

0.459

Neonatal and perinatal medicine

0.266*

0.016

0.515

Internal medicine and pediatrics

0.250**

0.071

0.429

Pediatrics

0.250***

0.146

0.352

Dermatology

0.249**

0.083

0.416

Child and adolescent psychiatry

0.203*

0.019

0.388

Allergy and immunology

0.168

-0.041

0.376

Cardiovascular diseases

0.165

-0.023

0.353

Hospitalists

0.152

-0.224

0.527

Critical care internal medicine

0.144

-0.144

0.433

Psychiatry

0.129

-0.007

0.266

Physical medicine and rehabilitation

0.128

-0.024

0.281

Medical oncology

0.097

-0.201

0.394

Ophthalmology

0.081

-0.080

0.242

Occupational medicine

0.078

-0.162

0.318

Radiation oncology

0.070

-0.183

0.323

Endocrinology, diabetes and metabolism

0.065

-0.234

0.363

Urology

0.064

-0.102

0.229

Pulmonary diseases

0.061

-0.207

0.329

Infectious diseases

0.038

-0.174

0.250

Other medical subspecialty

0.033

-0.305

0.371

Otolaryngology

0.020

-0.180

0.220

General practice

0.012

-0.234

0.258

Family practice

referent

referent

referent

Gastroenterology

-0.002

-0.174

0.170

Internal medicine

-0.005

-0.109

0.100

Other surgical subspecialty

-0.0444

-0.332

0.243

General surgery

-0.053

-0.223

0.116

Neurology

-0.056

-0.200

0.087

Plastic surgery

-0.065

-0.323

0.193

Rheumatology

-0.067

-0.327

0.193

Orthopedic surgery

-0.101

-0.248

0.046

Emergency medicine

-0.130

-0.269

0.010

Thoracic surgery

-0.138

-0.635

0.360

Hematology and oncology

-0.141

-0.377

0.095

Vascular surgery

-0.160

-0.386

0.065

Obstetrics and gynecology

-0.188*

-0.335

-0.041

Nephrology

-0.206*

-0.395

-0.016

Pulmonary critical care medicine

-0.273**

-0.451

-0.094

Neurological surgery

-0.707***

-1.104

-0.309


aP-value legend: *** = <0.001; ** = (0.001-0.01); * = (0.01-0.05); F-statistic with 71 and 1602 degrees of freedom = 10.61, p < 0.0001

Leigh et al. BMC Health Services Research 2009 9:166   doi:10.1186/1472-6963-9-166

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