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

Table 2 Results of multivariable logistic regression analysis for mortality at the 1st postoperative year

Variables (Unit/ref)	Coefficient	Standard error	P value	OR	95% Confidence interval
Age (Year)	0.036	0.019	0.06	1.037	0.998–1.077
Gender (Male)	− 0.292	0.286	0.307	0.747	0.426–1.308
Resident (Downtown)	0.005	0.357	0.989	1.005	0.499–2.025
Medical insurance (No)	0.193	0.269	0.472	1.213	0.716–2.055
Marriage (With spouse)	0.369	0.293	0.208	1.447	0.815–.569
Smoking history (No)	1.475	0.947	0.119	4.373	0.684–27.962
Fragility fractures history (No)	− 0.574	0.572	0.316	0.564	0.184–1.728
Dementia (No)	0.797	0.453	0.078	0.451	0.185–1.095
Preoperative walking ability (Bedridden)	− 1.164	0.175	0	0.312	0.222–0.44
Time from injury to diagnosis (Days)	− 0.005	0.006	0.398	0.995	0.983–1.007
CCI score (≤ 4)	0.596	0.275	0.03	1.815	1.059–3.111
Vital sign (Normal)	− 0.407	0.286	0.154	0.665	0.38–1.165
Electrocardiogram (Normal)	0.837	0.291	0.004	2.309	1.305–4.084
Chest radiograph (Normal)	0.909	0.397	0.022	2.481	1.14–5.402
Baseline GLU (mmol/L)	− 0.042	0.058	0.47	0.959	0.856–1.074
Baseline HGB (g/L)	0.002	0.007	0.812	1.002	0.988–1.016
Baseline ALB (g/L)	− 0.077	0.029	0.008	0.926	0.876–0.98
Baseline INR	− 0.137	0.439	0.754	0.872	0.369–2.059
Surgical procedure (THA)	0.115	0.309	0.71	1.122	0.612–2.054
Anesthesia procedure (SA)			0.279
PNB	0.087	0.438	0.843	1.091	0.462–2.574
GA	0.368	0.47	0.433	0.692	0.276–1.737
Perioperative complications (No)	− 0.168	0.372	0.652	0.845	0.408–1.752

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

ISSN: 1749-799X