Table 1. Patient characteristics.
| Time to CTx | ≤4 wk (n=174) | >4 wk (n=286) | P-value | |
|---|---|---|---|---|
| Age (yr) | <0.001 | |||
| <70 | 157 (90.2) | 213 (74.5) | ||
| ≥70 | 17 (9.8) | 73 (25.5) | ||
| Sex | 0.459 | |||
| Female | 53 (30.5) | 98 (34.3) | ||
| Male | 121 (69.5) | 188 (65.7) | ||
| Surgical approach | 0.165 | |||
| Laparoscopy | 126 (72.4) | 188 (65.7) | ||
| Open | 48 (27.6) | 98 (34.3) | ||
| Body mass index (kg/m2) | 24.1 (2.9) | 23.4 (3.1) | 0.030 | |
| ASA performance status | 0.227 | |||
| 1 | 99 (56.9) | 140 (49.0) | ||
| 2 | 64 (36.8) | 128 (44.8) | ||
| 3 | 11 (6.3) | 18 (6.3) | ||
| Type of operation | 0.105 | |||
| Distal gastrectomy | 122 (70.1) | 178 (62.2) | ||
| Total gastrectomy | 52 (29.9) | 108 (37.8) | ||
| Combined resection: yes | 25 (14.4) | 46 (16.1) | 0.718 | |
| Extent of lymphadenectomy | 0.898 | |||
| D1+ | 27 (15.5) | 47 (16.4) | ||
| D2 | 147 (84.5) | 239 (83.6) | ||
| Retrieved lymph node | 58 (46–72) | 59 (48–76) | 0.831 | |
| Hospital stays (day) | 6 (5–7) | 7 (5–9) | <0.001 | |
| Complications within 30 days (grade II or more): yes | 6 (3.4) | 66 (23.1) | <0.001 | |
| Histological type | 1.000 | |||
| Differentiated | 53 (30.5) | 88 (30.8) | ||
| Undifferentiated | 121 (69.5) | 198 (69.2) | ||
| Stage | 0.715 | |||
| II | 75 (43.1) | 117 (40.9) | ||
| III | 99 (56.9) | 169 (59.1) | ||
| CTx regimen | 0.056 | |||
| S-1 | 111 (63.8) | 208 (72.7) | ||
| XELOX | 63 (36.2) | 78 (27.3) | ||
Data shown are number (%), mean (SD), or median (IQR).
CTx = chemotherapy; ASA = American Society of Anesthesiologists; SD = standard deviation; IQR = interquartile range.