Table 7 OS analysis for patients after PSM
Characteristics | Â | RMSTb (95%CI) | HRc (95%CI) | P valuea | Interaction p | |
|---|---|---|---|---|---|---|
Non- Chemotherapy | Chemotherapy | |||||
Total | – | 53.3 (50.9–55.2) | 56.0 (54.0–57.4) | 0.584 (0.333–1.025) | 0.058 | – |
Sex | Male | 52.0 (48.1–54.6) | 55.9 (53.2–57.6) | 0.487 (0.240–0.991) | 0.042 | 0.157 |
Female | 55.0 (50.7–57.2) | 56.1 (52.8–58.0) | 0.787 (0.310–2.003) | 0.615 |  | |
Age (years) | ≤55 | 53.8 (46.6–57.2) | 56.6 (50.7–59.0) | 0.536 (0.128–2.251) | 0.386 | 0.574 |
56–60 | 54.6 (45.6–58.2) | 57.1 (48.8–59.2) | 0.584 (0.097–3.499) | 0.551 |  | |
61–65 | 53.2 (45.7–57.0) | 55.6 (49.8–58.3) | 0.641 (0.171–2.403) | 0.505 |  | |
66–70 | 54.2 (47.2–57.3) | 57.5 (52.6–59.1) | 0.392 (0.098–1.576) | 0.170 |  | |
> 70 | 52.0 (46.9–55.2) | 53.9 (49.1–56.9) | 0.748 (0.305–1.830) | 0.522 |  | |
Location | Rectum | 52.4 (48.6–55.0) | 54.6 (51.2–56.8) | 0.725 (0.366–1.435) | 0.353 | 0.283 |
Colon | 54.5 (50.6–56.9) | 57.5 (54.9–58.9) | 0.428 (0.158–1.163) | 0.086 |  | |
Size (cm) | ≤5.0 | 54.3 (50.8–56.6) | 56.7 (54.0–58.1) | 0.548 (0.236–1.269) | 0.153 | 0.165 |
> 5.0 | 52.6 (48.6–55.4) | 55.1 (51.8–57.3) | 0.672 (0.312–1.449) | 0.307 |  | |
Differentiation | Well-moderate | 53.5 (50.8–55.4) | 56.1 (54.0–57.5) | 0.570 (0.315–1.031) | 0.059 | 0.702 |
Poor | 50.5 (36.8–56.9) | 53.8 (39.9–58.2) | 0.711 (0.117–4.339) | 0.708 |  | |
T category | 3 | 58.1 (54.7–59.3) | 57.3 (54.2–58.9) | 1.439 (0.342–6.045) | 0.618 | 0.072 |
4 | 50.9 (47.1–53.4) | 55.2 (52.1–57.0) | 0.501 (0.267–0.939) | 0.027 |  | |
CEAd (ng/mL) | < 5 | 55.2 (51.8–57.1) | 57.3 (54.4–58.7) | 0.557 (0.219–1.414) | 0.211 | 0.790 |
≥5 | 52.4 (46.8–55.7) | 55.0 (51.0–57.4) | 0.641 (0.265–1.552) | 0.320 |  | |
Examined lymph nodes | < 12 | 50.7 (44.5–54.8) | 51.7 (46.5–55.1) | 0.898 (0.381–2.118) | 0.806 | 0.322 |
≥12 | 54.1 (51.4–56.0) | 57.5 (55.5–58.7) | 0.404 (0.185–0.882) | 0.018 |  | |
PLRe | ≤130 | 55.3 (51.8–57.4) | 54.9 (52.0–56.8) | 1.080 (0.495–2.355) | 0.847 | 0.038 |
> 130 | 51.3 (47.2–54.2) | 57.6 (54.2–59.0) | 0.272 (0.102–0.726) | 0.005 |  | |