Low lymphocyte-to-C-reactive protein ratio relates to high 1-year mortality in elderly patients undergoing hemiarthroplasty for displaced femoral neck facture

Table 4 Univariate analysis of elderly patients with displaced femoral neck facture for 1-year mortality

Variable	HR	95% CI		P value
Variable	HR	Lower limit	Upper limit	P value
Age (≤ 80 vs. > 80)	1.241	0.701	2.199	0.459
Gender (male vs. female)	0.783	0.432	1.420	0.421
Affected side (left vs. right)	1.096	0.619	1.942	0.753
Tobacco consumption (no vs. yes)	2.277	0.817	6.344	0.116
Alcohol consumption (no vs. yes)	1.993	0.483	8.217	0.340
Time to surgery (≤ 48 vs. > 48)	1.144	0.613	2.139	0.672
Prosthesis type (cement vs. cementless)	1.174	0.652	2.114	0.593
Type of anesthesia (general vs. spinal/epidural)	0.782	0.434	1.408	0.412
ASA class (I–II vs. III–IV)	1.825	1.014	3.287	0.045
Hypoalbuminemia (no vs. yes)	2.615	1.467	4.663	0.001
Anemia (no vs. yes)	1.818	1.023	3.231	0.042
AAC				< 0.001
AAC = 1–3	Reference
AAC = 4–5	1.991	0.903	4.386	0.088
AAC ≥ 6	5.178	2.437	11.002	< 0.001
LCR level (high level vs. low level)	4.98	2.534	9.786	< 0.001

HR Hazard ratio, CI confidence interval, ASA American Society of Anesthesiologists, AAC Age-Adjusted Charlson Comorbidity, LCR lymphocyte-to-C-reactive protein ratio

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