Table 3.
Difference in FWU BMR across variable groups
| Variables | n (%) | FWU BMR Median (IQR) | P value |
|---|---|---|---|
| Sex | |||
| Men | 352 (67.6) | 1520 (1333; 1687) | <.001 |
| Women | 169 (32.4) | 1258 (1140; 1329) | |
| ASA-PS | |||
| I–II | 462 (88.7) | 1386 (1247; 1632) | .171 |
| III | 59 (11.3) | 1331 (1273; 1440) | |
| TNM stage | |||
| I–II | 416 (79.9) | 1380 (1261; 1629) | .900 |
| III | 105 (20.1) | 1387 (1249; 1622) | |
| Histology | |||
| Intestinal | 262 (50.3) | 1367 (1229; 1588) | .053 |
| Others | 259 (49.7) | 1390 (1283; 1651) | |
| Lymphatic invasion | |||
| No | 343 (65.8) | 1373 (1270; 1623) | .709 |
| Yes | 178 (34.2) | 1389 (1225; 1636) | |
| Vascular invasion | |||
| No | 492 (94.4) | 1383 (1263; 1630) | .210 |
| Yes | 29 (5.6) | 1364 (1187; 1451) | |
| Perineural invasion | |||
| No | 469 (90.0) | 1373 (1256; 1619) | .313 |
| Yes | 52 (10.0) | 1476 (1250; 1670) | |
| Anemia | |||
| Present | 194 (37.2) | 1333 (1211; 1472) | <.001 |
| Absent | 327 (62.8) | 1438 (1288; 1668) |
The Mann–Whitney U test was used for inter-group comparisons of variables.
ASA-PS = American Society of Anesthesiologists Physical Status, BMR = basal metabolic rate, FWU = the Food and Agriculture Organization/World Health Organization/United Nations University, IQR = interquartile range, TNM = Tumor-Node-Metastasis, TOG = type of gastrectomy.