Table 3.
Relationship of GNRI with operation-related factors based on OS and DSS
| Based on OS (cutoff, 97.0) | Based on DSS (cutoff, 95.8) | ||||||
|---|---|---|---|---|---|---|---|
| All (n = 497) | GNRIHigh (n = 269) | GNRILow (n = 228) | p value | GNRIHigh (n = 289) | GNRILow (n = 208) | p value | |
| Operation duration (min) | 244 ± 142 | 262 ± 151 | 224 ± 129 | < 0.001 | 264 ± 149 | 219 ± 126 | < 0.001 |
| Bleeding amount (mL) | 279 ± 402 | 240 ± 325 | 326 ± 474 | 0.009 | 241 ± 335 | 329 ± 469 | 0.002 |
| Procedure | 0.001 | 0.002 | |||||
| Distal | 325 (65.4) | 186 (69.1) | 139 (61.0) | 200 (69.2) | 125 (60.1) | ||
| Proximal | 34 (6.8) | 25 (9.3) | 9 (3.9) | 25 (8.7) | 9 (4.3) | ||
| Total | 138 (27.8) | 58 (21.6) | 80 (35.1) | 64 (22.1) | 74 (35.6) | ||
| Approach | < 0.001 | < 0.001 | |||||
| Laparoscopic | 217 (43.7) | 149 (55.4) | 68 (29.8) | 163 (56.4) | 54 (26.0) | ||
| Open | 280 (56.3) | 120 (44.6) | 160 (70.2) | 126 (43.6) | 154 (74.0) | ||
| Adjuvant chemotherapy | 0.372 | 0.529 | |||||
| Present | 73 (14.7) | 36 (13.4) | 37 (16.2) | 40 (13.8) | 33 (15.9) | ||
| Absent | 424 (85.3) | 233 (86.6) | 191 (83.8) | 249 (86.2) | 175 (84.1) | ||
| Death due to primary disease | 0.001 | < 0.001 | |||||
| Present | 58 (11.7) | 20 (7.4) | 38 (16.7) | 21 (7.3) | 37 (17.8) | ||
| Absent | 439 (88.3) | 249 (92.6) | 190 (83.3) | 268 (92.7) | 171 (82.2) | ||
| Death due to other diseases | < 0.001 | 0.011 | |||||
| Present | 113 (22.7) | 45 (16.7) | 68 (29.8) | 54 (18.7) | 59 (28.4) | ||
| Absent | 384 (77.3) | 224 (83.3) | 160 (70.2) | 235 (81.3) | 149 (71.6) | ||
Data are presented as means ± standard deviation or numbers (percentages) of patients
DSS disease-specific survival, GNRI geriatric nutritional risk index, OS overall survival, pStage pathological stage