Rapid preoperative predicting tools for 1-year mortality and walking ability of Asian elderly femoral neck fracture patients who planned for hip arthroplasty

Table 3 Results of multivariable logistic regression analysis for walking ability at the 1st postoperative year

Variables (Unit/ref)	Coefficient	Standard error	P value	OR	95% Confidence interval
Age (Year)	0.032	0.017	0.054	1.032	0.999–1.066
Gender (Male)	− 0.605	0.271	0.026	0.546	0.321–0.929
Resident (Downtown)	− 0.52	0.322	0.106	0.594	0.316–1.117
Medical insurance (No)	− 0.094	0.238	0.694	0.91	0.571–1.453
Marriage (With spouse)	0.398	0.264	0.131	1.49	0.887–2.5
Smoking history (No)	2.973	1.15	0.01	19.545	2.052–186.14
Fragility fractures history (No)	− 0.369	0.466	0.428	0.692	0.278–1.722
Dementia (No)	− 0.584	0.4	0.145	0.558	0.255–1.222
Preoperative walking ability (Bedridden)	− 1.281	0.178	0	0.278	0.196–0.394
Time from injury to diagnosis (Days)	− 0.001	0.005	0.91	0.999	0.99–1.009
CCI score (≤ 4)	0.456	0.252	0.071	1.578	0.962–2.587
Vital sign (Normal)	0.115	0.251	0.647	1.122	0.686–1.833
Electrocardiogram (Normal)	0.135	0.24	0.572	1.145	0.716–1.832
Chest radiograph (Normal)	0.732	0.293	0.013	2.08	1.17–3.695
Baseline GLU (mmol/L)	− 0.03	0.051	0.555	0.97	0.878–1.073
Baseline HGB (g/L)	0.009	0.006	0.142	1.009	0.997–1.022
Baseline ALB (g/L)	− 0.094	0.025	0	0.911	0.866–0.957
Baseline INR	− 0.114	0.226	0.612	0.892	0.573–1.389
Surgical procedure (THA)	0.896	0.275	0.001	2.45	1.43–4.196
Anesthesia procedure (SA)			0.059
PNB	− 0.965	0.405	0.017	0.381	0.172–0.843
GA	− 0.847	0.423	0.045	0.429	0.187–0.983
Perioperative complications (No)	0.303	0.342	0.376	1.353	0.693–2.645

Note: THA total hip arthroplasty, SA spinal anesthesia, PNB peripheral nerve block, GA general anesthesia

ISSN: 1749-799X