Table 2.
Patients’ characteristics with and without adjustment for propensity score (PS) matching and inverse probability of treatment weighting (IPTW) used in survival analyses
| Characteristics | Overall | PS matching | IPTW | ||||||
|---|---|---|---|---|---|---|---|---|---|
| CDDP (n = 52) | Non-CDDP (n = 86) | Standardized difference | CDDP (n = 51) | Non-CDDP (n = 51) | Standardized difference | CDDP (n = 135) | Non-CDDP (n = 139) | Standardized difference | |
| Age | |||||||||
| Mean (SD) | 48.5 (10.58) | 55.0 (11.58) | 0.59 | 48.5 (10.68) | 48.8 (9.90) | 0.03 | 51.7 (17.05) | 52.3 (15.42) | 0.04 |
| cT | |||||||||
| 2–4 | 36 (69.2%) | 61 (70.9% | 0.04 | 36 (70.6%) | 34 (66.7%) | 0.08 | 96 (71.4%) | 98 (70.3%) | 0.02 |
| 1 | 16 (30.8%) | 25 (29.1%)) | 0.04 | 15 (29.4%) | 17 (33.3%) | 0.08 | 39 (28.6%) | 41 (29.7%) | 0.02 |
| cN | |||||||||
| Positive | 20 (38.5%) | 29 (33.7%) | 0.1 | 19 (37.3%) | 17 (33.3%) | 0.08 | 51 (37.6%) | 51 (36.3%) | 0.03 |
| Negative | 32 (61.5%) | 57 (66.3%) | 0.1 | 32 (62.7%) | 34 (66.7%) | 0.08 | 84 (62.4%) | 89 (63.7%) | 0.03 |