Table 4.
The Results of Univariate and Multivariate Analysis for Overall Survival Rate
| Variables | Overall Survival Rate | ||||
|---|---|---|---|---|---|
| Univariate | Multivariate | ||||
| Hazard Ratio (95% CI) | p value | Hazard Ratio (95% CI) | p value | ||
| Age (years) | Continuous | 1.032 (0.9680–1.100) | 0.3371 | ||
| Sex | Male vs female | 1.743 (0.3875–7.843) | 0.4689 | ||
| PS | 0 vs ≥1 | 1.430 (0.5281–3.873) | 0.4815 | ||
| BMI (kg/m2) | 18.5< vs ≥18.5 | 4.412 (1.515–12.85) | 0.006483 | 2.6130 (0.8546–7.9900) | 0.092100 |
| Operability | Yes vs No | 0.8752 (0.2817–2.719) | 0.8177 | ||
| Smoking history | Yes vs No | 0.5077 (0.1569–1.642) | 0.2577 | ||
| DM | Yes vs No | 1.166 (0.3765–3.610) | 0.7902 | ||
| Pathology | Confirmed vs unknown | 0.4064 (0.1519–1.087) | 0.07297 | 0.8924 (0.3054–2.6080) | 0.835200 |
| Tumor diameter (mm) | Continuous | 1.029 (0.9684–1.093) | 0.3553 | ||
| Irradiation | Gating vs non-gating | 0.5751 (0.1775–1.863) | 0.3563 | ||
| Pretreatment Hb (g/dL) | Continuous | 0.5647 (0.4037–0.7900) | 0.0008476 | 0.5897 (0.4047–0.8593) | 0.005974 |
Abbreviations: CI, confidence interval; PS, performance status; BMI, body mass index; DM, diabetes mellitus; Hb, hemoglobin.