TABLE I.
Patient characteristics
| Variable | Overall cohort | Digestive system cancer subgroup | Urologic cancer subgroup | |||
|---|---|---|---|---|---|---|
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| POM | No POM | POM | No POM | POM | No POM | |
| Patients [n (%)] | 63 (34.8) | 118 (65.2) | 47 (63.5) | 27 (36.5) | 16 (15.0) | 91 (85.0) |
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| Mean age (years) | 67.0±10.4 | 68.1±10.5 | 66.3±11.3 | 69.7±11.1 | 69.0±9.7 | 67.6±9.8 |
| NSa (p=0.430) | NSa (p=0.724) | NSa (p=0.341) | ||||
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| Sex (men:women) | 42:21 | 90:28 | 27:20 | 17:10 | 15:1 | 75:16 |
| NSb (p=0.219) | NSb (p=0.806) | NSb (p=0.459) | ||||
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| Preoperative PNI score | ||||||
| Median | 48.3 | 47.3 | 49.5 | 49.5 | 44.5 | 46.3 |
| IQR | 44.4–54.1 | 42.0–53.5 | 44.5–55.0 | 40.3–57.3 | 41.0–47.5 | 42.0–51.1 |
| NSa (p=0.171) | NSa (p=0.797) | NSa (p=0.166) | ||||
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| Operation time (minutes) | ||||||
| Median | 297 | 212 | 336.5 | 100 | 223 | 207 |
| IQR | 233–404 | 165.5–268 | 278.3–412.5 | 215–330 | 166–244.5 | 165–244.5 |
| p<0.001a | p<0.05a | NSa (p=0.722) | ||||
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| Blood loss (mL) | ||||||
| Median | 100 | 55 | 100 | 30 | 150 | 100 |
| IQR | 40–350 | 10–200 | 20–330 | 10–160 | 77.5–712.5 | 10–200 |
| p<0.05a | p<0.05a | p<0.05a | ||||
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| Resumption of oral intake after surgery [n (%)] | ||||||
| Within 3 days | 23 (12.7) | 91 (50.3) | 9 (12.2) | 12 (16.2) | 14 (13.1) | 79 (73.8) |
| At 4 days or more | 40 (22.1) | 27 (14.9) | 38 (51.4) | 15 (20.3) | 2 (1.9) | 12 (11.2) |
| p<0.01b | p<0.05b | NSb (p=1.000) | ||||
a
By Wilcoxon rank-sum test.
b
By Fisher exact test.
POM = perioperative oral management; PNI = prognostic nutritional index; IQR = 25%–75% interquartile range.