TABLE 3.
Univariate and multivariate analysis of progression-free and overall survival
| Factor | Progression-free survival |
Overall survival |
||
|---|---|---|---|---|
|
p value, univariate |
HR (95 % CI) and p value, multivariate |
p value, univariate |
HR (95 % CI) and p value, multivariate |
|
| Age (per year) | 0.3 | 1.02 (1.0–1.04) p = 0.06 |
0.04 | 1.02 (1.0–1.04) p = 0.1 |
| Female gender | 0.6 | 0.97 (0.7–1.5) p = 0.9 |
0.02 | 0.9 (0.5–1.4) p = 0.6 |
| Recurrent disease | 0.002 | 1.6 (1.1–2.5) p = 0.02 |
0.3 | 1.2 (0.7–2.0) p = 0.5 |
| Symptomatic disease |
0.1 | 1.2 (0.8–1.9) p = 0.4 |
0.2 | 0.9 (0.5–1.6) p = 0.7 |
| High histologic grade |
<0.0001 | 2.7 (1.7–4.3) p < 0.0001 |
<0.0001 | 7.1 (3.9–13.0) p < 0.0001 |
| Preoperative SPCI (per point) |
0.0002 | 1.08 (1.03–1.13) p = 0.0007 |
0.002 | 1.1 (1.04–1.2) p = 0.0009 |
| Incomplete cytoreduction |
<0.0001 | 1.9 (1.2–3.0) p = 0.005 |
<0.0001 | 1.3 (0.8–2.4) p = 0.3 |
| Lymph node metastasis |
<0.0001 | 1.9 (1.2–3.2) p = 0.01 |
<0.0001 | 1.0 (0.5–1.8) p = 1.0 |
| Extensive CRS | 0.09 | 0.9 (0.6–1.4) p = 0.5 |
0.8 | 0.9 (0.5–1.6) p = 0.7 |
| Blood transfusion | 0.09 | 1.5 (0.9–2.4) p = 0.1 |
0.03 | 1.4 (0.8–2.6) p = 0.3 |
| Severe morbidity | 0.5 | 0.9 (0.6–1.4) p = 0.8 |
0.09 | 0.9 (0.5–1.6) p = 0.7 |
HR hazard ratio, SPCI simplified peritoneal carcinomatosis index