Table 2 Mean progression-free survival and overall survival for various characteristics based on Kaplan-Meier analysis a
From: Association of body mass index and smoking on outcome of Chinese patients with colorectal cancer
Variables | Mean PFS | P | Mean OS | P |
|---|---|---|---|---|
(95% CI) | (95% CI) | |||
BMI | 0.077 | 0.701 | ||
<23 kg/m2 | 79.4 (74.6 to 84.2) | 71.9 (66.9 to 76.9) | ||
≥23 kg/m2 | 77.2 (72.9 to 81.4) | 75.0 (70.8 to 79.3) | ||
Mean age | 0.628 | 0.727 | ||
<60 years | 78.9 (74.0 to 83.8) | 74.6 (69.6 to 79.6) | ||
≥60 years | 78.3 (74.0 to 82.6) | 74.0 (69.7 to 78.3) | ||
Gender | 0.112 | 0.043 | ||
Male | 75.3 (71.1 to 79.6) | 71.1 (67.0 to 75.1) | ||
Female | 81.3 (76.9 to 86.8) | 77.3 (72.0 to 82.6) | ||
Diabetes | 0.158 | 0.884 | ||
Yes | 70.2 (61.9 to 78.5) | 69.2 (60.5 to 77.8) | ||
No | 80.3 (76.8 to 83.8) | 74.9 (71.3 to 78.4) | ||
Alcohol | 0.291 | 0.088 | ||
Yes | 75.1 (68.3 to 81.9) | 69.2 (62.6 to 75.8) | ||
No | 80.1 (76.4 to 83.7) | 76.2 (72.4 to 80.0) | ||
Smoking | 0.222 | 0.007 | ||
Yes | 74.7 (68.5 to 80.9) | 67.9 (62.0 to 73.8) | ||
No | 80.3 (76.5 to 84.1) | 76.9 (72.9 to 80.8) | ||
Site | 0.289 | 0.788 | ||
Colon | 78.4 (74.0 to 82.8) | 73.2 (68.8 to 77.7) | ||
Rectum | 77.5 (73.0 to 82.1) | 74.0 (69.5 to 78.5) | ||
Tumor size | 0.903 | 0.015 | ||
<5 cm | 79.8 (75.8 to 83.8) | 78.1 (74.0 to 82.3) | ||
≥5 cm | 77.4 (72.0 to 82.9) | 69.2 (64.0 to 74.4) | ||
Pathological type | 0.291 | 2.5 × 10–4 | ||
Adenocarcinoma | 79.9 (76.5 to 83.3) | 76.7 (73.2 to 80.3) | ||
Others | 71.7 (61.5 to 82.0) | 59.2 (50.2 to 68.3) | ||
Differentiation | 0.112 | 4.0 × 10–5 | ||
Grade 3/4 | 80.4 (77.0 to 83.9) | 78.0 (74.6 to 81.4) | ||
Grade 1/2 | 67.3 (59.1 to 75.4) | 57.1 (49.7 to 64.5) | ||
Lymph nodes harvested | 0.910 | 0.575 | ||
≥12 | 79.3 (74.4 to 84.2) | 73.4 (68.4 to 78.5) | ||
<12 | 76.3 (72.2 to 80.3) | 73.0 (69.0 to 77.1) | ||
Lymph nodes positive | 1.5 × 10–7 | 2.0 × 10–13 | ||
Positive | 67.8 (61.9 to 73.8) | 60.9 (55.6 to 66.3) | ||
Negative | 85.4 (81.8 to 89.0) | 84.6 (80.9 to 88.3) |