Table 1.
Patients and groups baseline characteristics
| Parameter | All patients | LSG | LRYGB | p | |
|---|---|---|---|---|---|
| n | 574 (100%) | 364 (63.41%) | 210 (36.59%) | – | |
| Females, n (%) | 362 (63.07%) | 245 (67.31%) | 117 (55.71%) | 0.005 | |
| Males, n (%) | 212 (36.93%) | 119 (32.69%) | 93 (44.29%) | ||
| Mean age (years ± SD) | 42.77 ± 11 | 40.88 ± 11.1 | 46.06 ± 10.08 | < 0.001 | |
| Median maximal preoperative BMI, kg/m2 (IQR) | 46.87 (42.93–51.63) | 46.04 (42.81–50.61) | 48.26 (43.42–53.71) | 0.009 | |
| Median BMI on a day of operation, kg/m2 (IQR) | 45.28 (41.45–50.03) | 44.86 (41.31–48.9) | 46.06 (41.81–51.64) | 0.049 | |
| Preoperative BMI loss, kg/m2 (IQR) | 0.99 (0–2.47) | 0.78 (0–2.26) | 1.38 (0–2.81) | 0.028 | |
| Median ASA (IQR) | 2.00 (2.00–3.00) | 2.00 (2.00–2.00) | 2.00 (2.00–3.00) | < 0.001 | |
| ASA class, n (%) | 1 | 15 (2.61%) | 14 (3.85%) | 1 (0.48%) | < 0.001 |
| 2 | 386 (67.25%) | 262 (71.98%) | 124 59.05(%) | ||
| 3 | 157 (27.35%) | 84 (23.08%) | 73 (34.76%) | ||
| Cardiovascular diseases, n (%) | 107 (18.64%) | 53 (14.56%) | 54 (25.71%) | < 0.001 | |
| Hypertension, n (%) | 395 (68.82%) | 229 (62.91%) | 166 (79.05%) | < 0.001 | |
| Diabetes mellitus, n (%) | 198 (34.49%) | 88 (24.18%) | 110 (52.38%) | < 0.001 | |
| Obstructive sleep apnoea, n (%) | 45 (7.84%) | 29 (7.97%) | 16 (7.62%) | 0.881 | |