Nomogram to predict postoperative complications in elderly with total hip replacement

Table 2 Multivariable logistic regression analysis results

Variables	OR	SE	Z	95%CI	P value
Age	1.05	0.02	2.04	1.00-1.09	0.041
Renal failure	3.96	2.44	2.23	1.18-13.27	0.026
Hypertension	1.31	0.47	0.74	0.65-2.64	0.457
Coronary heart disease	0.84	0.41	0.36	0.32-2.18	0.722
Diabetes	2.37	1.00	2.05	1.04-5.40	0.040
Stroke	2.41	1.15	1.84	0.94-6.16	0.066
Fractures	2.21	0.95	1.86	0.96-5.12	0.063
ASA class ΙΙΙ or ΙV	1.85	0.68	1.69	0.91-3.79	0.090
Lowest heart rate	1.02	0.01	1.10	0.99-1.05	0.272
RBC	1.05	0.34	0.16	0.56-1.99	0.869
WBC	1.03	0.64	0.44	0.91-1.16	0.657
Hb	1.00	0.01	0.10	0.98-1.02	0.922
ALB	0.90	0.04	2.73	0.83-0.97	0.006
BUN	1.00	0.04	0.13	0.94-1.08	0.893

RBC: Red blood cell; WBC: White blood cell; Hb: Hemoglobin; ALB: Albumin; BUN: Blood urea nitrogen; ASA: American Society of Anesthesiologists.