Table 5.

Univariate and multivariate analyses for OS outcomes

Characteristics of patient	OS
	HR	95% CI	P-value
Univariate analysis
Age (years)
≥60 vs <60	1.297	1.065–1.581	0.010
Sex
Male vs female	0.457	0.367–0.569	<0.001
PG-SGA
0–1 vs 2–3 vs 4–8 vs ≥9	2.128	1.855–2.440	<0.001
Type of lung cancer
NSCLC vs SCLC	3.501	2.824–4.339	<0.001
TNM stage
III B vs IV	1.144	0.932–1.405	0.197
Smoking condition
Yes vs no	0.943	0.694–1.281	0.707
Anemia
Yes vs no	1.125	0.922–1.373	0.245
BMI (kg/m2)
<18.5 vs ≥18.5 and <25.0 vs ≥25.0	1.098	0.960–1.256	0.173
Pre-albumin (mg/dL)
<20 vs ≥20	1.038	0.843–1.277	0.726
Albumin (g/L)
<35 vs ≥35	0.562	0.451–0.700	<0.001
Multivariate analysis
Age (years)
≥60 vs <60	0.758	0.556–1.003	0.079
Sex
Male vs female	0.338	0.259–0.441	<0.001
PG-SGA
0–1 vs 2–3 vs 4–8 vs ≥9	1.857	1.583–2.180	<0.001
Type of lung cancer
NSCLC vs SCLC	2.805	2.241–3.510	<0.001
Albumin (g/L)
<35 vs ≥35	0.687	0.548–0.861	0.001

Abbreviations: BMI, body mass index; NSCLC, non-small-cell lung cancer; OS, overall survival; PG-SGA, Patient-Generated Subjective Global Assessment; SCLC, small-cell lung cancer.