Mean (SD) or proportion

Characteristic

Anemic^∞

n = 439

Not Anemic^∞

n = 2801

All

n = 3247

Age (years)

62.5 (10.9)^*

63.4 (10.7)

63.9 (10.9)

Sex (male)

0.435

0.455

0.452

BMI

30.9 (6.9)

31.1 (7.5)

31.05 (7.7)

Race (white)

0.996

0.989

0.988

ASA III and higher^¶

0.585^*

0.362

0.392

Diabetes

0.196^*

0.113

0.125

Cancer (any)

0.088

0.074

0.047

Coronary artery disease

0.164

0.134

0.138

Tobacco smoking

0.041

0.036

0.036

COPD

0.071^*

0.044

0.047

Renal insufficiency

0.102^*

0.023

0.033

Congestive heart failure

0.062^*

0.011

0.018

Transfusion^⊙

0.303^*

0.061

0.938

Surgery type

Anterior total hip

0.237^*

0.329

0.317

Posterior total hip

0.243^*

0.317

0.252

Total knee

0.447

0.427

0.430

Mortality (any day)

0.387^*

0.111

0.148