Table 4 Univariate and multivariate progression-free survival (PFS) analyses for patients with stage I NSCLC
From: Effect of body mass index on survival of patients with stage I non-small cell lung cancer
Variate | PFS rate (%) | Univariate analysis P value | Multivariate analysis | ||
|---|---|---|---|---|---|
3-year | 5-year | HR (95% CI) | P value | ||
Age (years) | 0.068 | 1.45 (1.09–1.93) | 0.011 | ||
<60 | 79.4 ± 2.4 | 69.9 ± 2.8 | |||
≥60 | 73.9 ± 2.4 | 65.0 ± 2.7 | |||
Smoking | 0.003 | 1.43 (1.08–1.90) | 0.014 | ||
Never | 80.8 ± 2.2 | 72.2 ± 2.6 | |||
Current or ever | 71.9 ± 2.6 | 62.0 ± 2.9 | |||
BMI | 0.034 | 1.28 (0.97–1.68) | 0.080 | ||
Overweight | 80.2 ± 2.3 | 71.1 ± 2.7 | |||
Others | 72.9 ± 2.5 | 63.6 ± 2.8 | |||
Extent of resection | <0.001 | 4.71 (2.23–9.97) | <0.001 | ||
Lobectomy or bilobectomy | 77.2 ± 1.7 | 68.0 ± 2.0 | |||
Pneumonectomy | 38.4 ± 14.7 | 28.8 ± 13.8 | |||
FEV1/FVC (%) | 0.910 | 0.70 (0.46–1.07) | 0.096 | ||
<70 | 76.3 ± 1.9 | 67.3 ± 2.1 | |||
≥70 | 77.6 ± 4.7 | 66.8 ± 5.4 | |||
Adjuvant chemotherapy | 0.128 | 1.39 (1.01–1.91) | 0.043 | ||
Absent | 77.6 ± 1.9 | 68.7 ± 2.2 | |||
Present | 72.3 ± 3.9 | 61.8 ± 4.4 | |||