TABLE 4.
Comparison of variables between LE and RR groups for G2 RNETs more than 1.5 cm
| Variable | Before PSM | After PSM | ||||
|---|---|---|---|---|---|---|
| LE (n = 21) |
RR (n = 32) |
p | LE (n = 8) |
RR (n = 8) |
p | |
| Sex, n (%) | 0.26 | 0.13 | ||||
| Female | 11 (50.0%) | 11 (50.0%) | 6 (75.0%) | 2 (25.0%) | ||
| Male | 10 (32.3%) | 21 (67.7%) | 2 (25.0%) | 6 (75.0%) | ||
| Age, y, median (IQR) | 51.0 (40.0–64.0) |
53.5 (44.8–66.0) |
0.27 | 66.0 (46.0–69.5) |
63.5 (47.0–70.0) |
0.78 |
| Distance from the anus, cm (IQR) | 5.0 (3.3,8.0) |
5.0 (3.5–8.0) |
0.21 | 7.0 (4.0–8.0) |
8.0 (4.5–11.5) |
0.06 |
| T stage, n (%) | <0.001 | >0.99 | ||||
| T1+T2 | 20 (57.1%) | 15 (42.9%) | 7 (50.0%) | 7 (50.0%) | ||
| T3+T4 | 1 (5.6%) | 17 (94.4%) | 1 (50.0%) | 1 (50.0%) | ||
| Lymph node metastasis, n (%) | <0.001 | – | ||||
| Negative | 21 (63.6%) | 12 (36.4%) | 8 (50.0%) | 8 (50.0%) | ||
| Positive | 0 (0.0%) | 20 (100.0%) | 0 | 0 | ||
| Microvascular invasion, n (%) | 0.29 | >0.99 | ||||
| Negative | 19 (43.2%) | 25 (56.8%) | 7 (50.0%) | 7 (50.0%) | ||
| Positive | 2 (22.2%) | 7 (77.8%) | 1 (50.0%) | 1 (50.0%) | ||
| Perineural invasion, n (%) | 0.07 | 0.48 | ||||
| Negative | 21 (44.7%) | 26 (55.3%) | 8 (57.1%) | 6 (42.9%) | ||
| Positive | 0 (0.0%) | 6 (100.0%) | 0 (0.0%) | 2 (100.0%) | ||
IQR = interquartile range; LE = local excision; PSM = propensity score matching; RR = radical resection.
Statistically significant (p <0.05) values are in bold.