Table 1 Patient characteristics by treatment allocation
| Â | Â | usual care | reduced imaging |
|---|---|---|---|
(N = 128) | (N = 118) | ||
Male sex, n (%) | Â | 69 (53.9) | 58 (48.7) |
Age, mean (SD) | Â | 47.7 (18.5) | 50.8 (18.2) |
BMI, mean (SD) | Â | 25.8 (4.3) | 27.3 (6.0) |
Alcohol > 10 U/week, n (%) |  | 22 (17.2) | 16 (13.4) |
Smoking > 10/day, n (%) |  | 10 (7.8) | 9 (7.6) |
Operative treatment, n (%) | Â | 77 (60.2) | 77 (64.7) |
Lauge-Hansen18 classification, n (%) | SA | 2 (1.6) | 2 (1.7) |
SE | 94 (73.4) | 94 (79.0) | |
PA/PE | 31 (24.2) | 23 (19.3) | |
missing | 1 (0.8) | 0 (0.0) | |
Weber19 classification, n (%) | A | 2 (1.6) | 2 (1.7) |
B | 93 (72.7) | 94 (79.0) | |
C | 27 (21.1) | 21 (17.6) | |
missing | 6 (4.7) | 2 (1.7) | |
Malleolar involvement, n (%) | Uni- | 66 (51.6) | 64 (53.8) |
Bi- | 27 (21.1) | 21 (17.6) | |
Tri- | 35 (27.3) | 34 (28.6) | |
ASA classification, n (%) | 1 | 53 (41.4) | 47 (39.5) |
2 | 60 (46.9) | 55 (46.2) | |
≥3 | 15 (11.7) | 12 (7.7) |