Table 1.
Demographics
| Intervention (n = 200) |
Control (n = 200) |
|
|---|---|---|
| Age, median [IQR], y | 68 [60–74] | 70 [64–75] |
| Male sex, no. (%) | 125 (63) | 134 (67) |
| Type of surgery, no. (%) | ||
| Colonic | 48 (24) | 56 (28) |
| Pancreatic | 29 (15) | 30 (15) |
| Esophageal | 12 (6.0) | 19 (9.5) |
| Rectal | 16 (8.0) | 12 (6.0) |
| Other abdominal | 37 (19) | 28 (14) |
| Arterial | 33 (17) | 28 (14) |
| Urologic | 24 (12) | 24 (12) |
| Orthopedic | 1 (0.5) | 3 (1.5) |
| Smoking history, no. (%) | ||
| Never smoked | 52 (26) | 52 (26) |
| Former smoker | 108 (54) | 109 (55) |
| Current smoker | 40 (20) | 37 (19) |
| Alcohol, no. (%) | ||
| None | 29 (15) | 26 (13) |
| Not more than MAAa | 143 (72) | 138 (69) |
| More than MAAa | 28 (14) | 34 (17) |
| Functional status, no. (%) | ||
| Independent | 182 (91) | 178 (89) |
| Partially dependent | 14 (7.0) | 22 (11) |
| ASA physical status, no. (%) | ||
| I | 11 (5.5) | 2 (1) |
| II | 86 (43) | 92 (46) |
| III | 97 (49) | 103 (52) |
| IV | 3 (1.5) | 3 (1.5) |
| CFS, no. (%) | ||
| 1–3 | 147 (74) | 133 (67) |
| 4–5 | 52 (26) | 63 (32) |
| 6+ | 0 | 3 (1.5) |
| Surgery duration, median [IQR] | 3 h 14 min [2 h 16 min–4 h 24 min] |
3 h 19 min [2 h 33 min–4 h 29 min] |
| Duration from surgery to randomization, median [IQR] | 20 h 17 m [16 h 35 m–21 h 57 m] |
20 h 35 m [15 h 15 m–22 h 25 m] |
Median [IQR] or absolute numbers (%).
Abbreviations: ASA, American Society of Anesthesiologists physical status; CFS, Canadian Study of Health and Aging 9-point Clinical Frailty Scale; IQR, interquartile range; MAA, maximum advisable amount.
a
Maximum advisable amount of alcohol according to the Danish health authority is 168 g per week for men and 84 grams per week for women.