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Table. 2.

Table. 2.

Clinical characteristics of patients according to the BMI* group

Total Low BMI* (n=517) Intermediate BMI* (n=1,104) High BMI* (n=701) P-value
Age (years) 0.001
<65 1,282 281 (54.4%) 575 (52.1%) 426 (60.8%)
≥65 1,040 236 (45.6%) 529 (47.9%) 275 (39.2%)
Sex 0.020
Male 1,354 286 (55.3%) 677 (62.3%) 391 (55.8%)
Female 968 231 (44.7%) 427 (38.7%) 310 (44.2%)
ASA classification 0.030
1 578 116 (22.4%) 268 (24.3%) 194 (37.7%)
2 1,528 340 (65.8%) 750 (67.9%) 438 (62.5%)
3 210 58 (11.2%) 85 (7.7%) 67 (9.6%)
4 6 3 (0.6%) 1 (0.1%) 2 (0.3%)
Hospitalization <0.001
Outpatient 1,496 361 (69.8%) 731 (66.2%) 404 (57.6%)
ER 826 156 (30.2%) 373 (33.8%) 297 (42.4%)
Biliary drainage <0.001
Yes 825 219 (42.3%) 409 (37.1%) 197 (28.1%)
No 1,497 298 (57.6%) 695 (62.9%) 504 (71.9%)
Disease <0.001
Pancreas 705 183 (35.4%) 355 (32.2%) 167 (23.8%)
Biliary 1,490 304 (58.8%) 690 (62.5%) 496 (70.8%)
Liver 127 30 (5.8%) 59 (5.3%) 38 (5.4%)
Pathology <0.001
Malignancy 1,199 314 (60.7%) 585 (52.9%) 300 (42.8%)
Benign 1,123 203 (39.2%) 519 (47.1%) 401 (57.2%)
Complication 0.005
Yes 687 178 (34.4%) 328 (29.7%) 181 (25.8%)
No 1,635 339 (65.6%) 776 (70.3%) 520 (74.2%)
Hospital stay Median (IQR§) 8 (3~12) 9 (5~14) 9 (4~12) 7 (2~11) <0.001

*BMI = body mass index; ASA = American Society of anesthesiologist; ER = emergency room, §IQR = interquartile range.

Surg Metab Nutr 2020;11:46-52 https://doi.org/10.18858/smn.2020.11.2.46
© 2020 Surg Metab Nutr