Research Article

Prognostic Value of Functional Assessment of Cancer Therapy-General (FACT-G) in Advanced Non-Small-Cell Lung Cancer Treated with Korean Medicine

Table 3

Univariate and multivariate analysis for overall survival.

Univariate analysisMultivariate analysis
Model 1Model 2Model 3
VariablesHR (95% CI) valueHR (95% CI) valueHR (95% CI) valueHR (95% CI) value

Sex
 Men1.79 (1.28–2.51)<0.0011.51 (0.90–2.53)0.1161.76 (1.03–3.02)0.041.77 (1.01–3.07)0.045
 Women1.001.001.001.00
Age (years)
 <651.001.001.001.00
 ≥651.66 (1.18–2.33)0.0031.23 (0.85–1.77)0.2661.22 (0.85–1.75)0.2901.48 (1.01–2.17)0.046
Smoking history
 Never smoker1.001.001.001.00
 Ex-smoker or current smoker1.76 (1.26–2.44)<0.0011.03 (0.61–1.73)0.9120.99 (0.59–1.67)0.9731.10 (0.65–1.86)0.723
ECOG-PS
 0-11.001.001.001.00
 ≥23.01 (2.14–4.23)<0.0012.51 (1.71–3.67)<0.0012.18 (1.47–3.25)<0.0011.73 (1.14–2.63)0.011
Histological type
 Non-squamous-cell carcinoma1.001.001.001.00
 SCC2.20 (1.44–3.37)<0.0011.30 (0.81–2.09)0.2841.22 (0.75–1.97)0.4211.21 (0.75–1.94)0.442
Extrathoracic metastasis
 No1.001.001.001.00
 Yes1.69 (1.17–2.43)0.0051.90 (1.31–2.77)<0.0011.78 (1.22–2.61)0.0031.71 (1.17–2.51)0.006
FACT-G total scores0.98 (0.97–0.99)<0.0010.99 (0.98–1.00)0.032
 PWB0.93 (0.91–0.95)<0.0010.94 (0.91–0.97)<0.001
 SFWB1.00 (0.98–1.03)0.7151.01 (0.97–1.04)0.716
 EWB0.96 (0.93–0.99)0.0050.98 (0.95–1.02)0.416
 FWB0.97 (0.95–0.99)0.0051.01 (0.97–1.04)0.634
Stage
 IIIB1.00
 IV1.05 (0.53–2.06)0.890
History of anticancer treatment
 No1
 Yes0.70 (0.45–1.08)0.103
Treatment
 KM monotherapy1
 KM with conventional therapy1.05 (0.75–1.46)0.780

Abbreviations: CI, confidence interval; ECOG, Eastern Cooperative Oncology Group; EWB, emotional well-being; FACT-G, Functional Assessment Cancer Therapy-General; FWB, functional well-being; HR, hazard ratio; PS, performance status; PWB, physical well-being; SCC, squamous-cell carcinoma; SFWB, social/family well-being.