Characteristics | All patients (n = 95) |  | CRS + HIPEC group (n = 61) |  | CRS group (n = 34) | ||||
---|---|---|---|---|---|---|---|---|---|
 | β | HR (95%CI) | P value | β | HR (95%CI) | P value | β | HR (95%CI) | P value |
Tumor site | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Asystematic | 0.38 | 1.47 (0.88, 2.44) | 0.139 | 0.64 | 1.90 (0.98,3.67) | 0.068 | 0.08 | 1.08 (0.41, 2.13) | 0.859 |
Local | Â | Reference | Â | Â | Reference | Â | Â | Reference | Â |
Pathological T stage | Â | Â | Â | Â | Â | Â | Â | Â | Â |
T4 | 0.52 | 1.69 (1.07, 2.66) | 0.025 | 0.46 | 2.54 (1.02, 6.29) | 0.045 | 0.80 | 2.23 (1.05, 4.76) | 0.038 |
T2 or T3 | Â | Reference | Â | Â | Reference | Â | Â | Reference | Â |
Pathological N stage | Â | Â | Â | Â | Â | Â | Â | Â | Â |
N2 or N3 | 0.41 | 1.50 (1.04, 2.36) | 0.046 | 0.53 | 1.69 (1.05, 3.01) | 0.032 | 0.35 | 1.42 (0.68, 2.98) | 0.355 |
N0 or N1 | Â | Reference | Â | Â | Reference | Â | Â | Reference | Â |
Histologic type | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Signet ring or mucinous cell carcinoma | 0.21 | 1.23 (0.68, 2.24) | 0.497 | 0.17 | 1.18 (0.53, 2.64) | 0.42 | 0.15 | 0.86 (0.35, 2.12) | 0.741 |
Adenocarcinoma | Â | Reference | Â | Â | Reference | Â | Â | Reference | Â |
Pathological differentiation | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Poorly differentiated | 0.66 | 1.92 (1.06, 3.50) | 0.032 | 0.47 | 1.60 (0.79, 3.23) | 0.188 | 0.88 | 2.81(1.23, 6.43) | 0.014 |
Moderately or well differentiated | Â | Reference | Â | Â | Reference | Â | Â | Reference | Â |
Combined systemic chemotherapy | Â | Â | Â | Â | Â | Â | Â | Â | Â |
No | 0.40 | 1.50 (0.84, 2.66) | 0.155 | 0.44 | 1.56 (0.73, 3.34) | 0.254 | 0.45 | 1.56 (0.63, 3.85) | 0.333 |
Yes | Â | Reference | Â | Â | Reference | Â | Â | Reference | Â |
ADCmean | Â | Â | Â | Â | Â | Â | Â | Â | Â |
≤ 1.39 × 10− 3 mm2/s | 0.75 | 2.11 (1.34, 3.35) | 0.001 | 0.78 | 2.18 (1.20, 3.93) | 0.01 | 0.91 | 2.48 (1.16, 5.32) | 0.019 |
> 1.39 × 10− 3 mm2/s |  | Reference |  |  | Reference |  |  | Reference |  |
ADCmin | Â | Â | Â | Â | Â | Â | Â | Â | Â |
≤ 0.77 × 10− 3 mm2/s | 0.88 | 2.40 (1.51, 3.81) | <0.001 | 0.61 | 1.83 (1.03, 3.33) | 0.039 | 1.55 | 4.72 (1.82, 12.15) | 0.001 |
> 0.77 × 10− 3 mm2/s |  | Reference |  |  | Reference |  |  | Reference |  |
ADCmax | Â | Â | Â | Â | Â | Â | Â | Â | Â |
≤ 2.59 × 10− 3 mm2/s | 0.38 | 1.46 (0.93, 2.30) | 0.103 | 0.37 | 1.44 (0.81, 2.57) | 0.217 | 0.01 | 1.01 (0.48, 2.12) | 0.98 |
> 2.59 × 10− 3 mm2/s |  | Reference |  |  | Reference |  |  | Reference |  |