Variable | Â | N | MST | P value/HR (95% CI) | |
---|---|---|---|---|---|
 |  |  | (Months) | Univariate | Multivariate |
Sex | Â | Â | Â | Â | |
 | Male | 20 | 29.4 | 0.458 |  |
 | Female | 10 | 22.6 | 1.44 (0.54–3.81) |  |
Age | Â | Â | Â | Â | |
 | <69 | 14 | 29.4 | 0.569 |  |
 | ≥69 | 16 | 22.6 | 1.30 (0.53–3.16) |  |
Performance status | Â | Â | Â | Â | |
 | 0–1 | 19 | 36.1 | 0.002 | 0.004 |
 | 2–4 | 11 | 11.4 | 4.06 (1.58–10.43) | 4.11 (1.57–10.76) |
CEA (ng/ml) | Â | Â | Â | Â | |
 | <16.9 | 14 | 29.4 | 0.386 |  |
 | ≥16.9 | 16 | 22.6 | 1.51 (0.59–0.82) |  |
K-ras | Â | Â | Â | Â | |
 | Wild-type | 12 | 17.4 | 0.051 |  |
 | Mutated | 14 | 36.7 | 0.357 (0.12–1.05) |  |
Stage | Â | Â | Â | Â | |
 | Relapse after surgery | 15 | 36.7 | 0.453 |  |
 | IV | 15 | 22.6 | 1.42 (0.56–3.59) |  |
Respiratory diseases | Â | Â | Â | Â | |
 | No | 19 | 22.6 | 0.875 |  |
 | Yes | 11 | 29.4 | 0.93 (0.37–2.34) |  |
MTB or MK infection | Â | Â | |||
 | No | 23 | 22.6 | 0.536 |  |
 | Yes | 7 | 36.7 | 0.705 (0.23–2.15) |  |
Primary site | Â | Â | Â | Â | |
 | Rectum | 16 | 29.4 | 0.322 |  |
 | Colon | 14 | 22.6 | 0.615 (0.23–1.62) |  |
Number of metastatic organs | Â | Â | Â | Â | |
 | 1 | 13 | 36.7 | 0.0893 |  |
 | ≥2 | 17 | 16.9 | 2.2 (0.87–5.58) |  |
Lung metastasis | Â | Â | Â | Â | |
 | No | 12 | 16.9 | 0.483 |  |
 | Yes | 18 | 29.4 | 0.72 (0.29–1.79) |  |
Liver metastasis | Â | Â | Â | Â | |
 | No | 17 | 36.1 | 0.020 | 0.030 |
 | Yes | 13 | 11.9 | 3.24 (1.15–9.11) | 3.37 (1.13–10.07) |