Table VIII.

Multivariable logistic regression for the probability of blood transfusion in the population of reverse total shoulder arthroplasty patients

	OR	95% CI for OR	P value
Age, y	0.977	0.922-1.036	.433
Gender	0.116	0.010-1.377	.088
Surgery duration, h	1.029	0.545-1.945	.929
EBL, 100 units	1.184	1.178-1.189	.458
Total drain output, mL	0.998	0.993-1.004	.573
Preoperative Hgb level	0.466	0.287-0.756	.002*

OR, odds ratio; CI, confidence interval; EBL, estimated blood loss; Hgb, hemoglobin.