Table 2.
Postoperative course and functional recovery in groups LSG vs. LRYGB
| Total | LSG | LRYGB | p | |
|---|---|---|---|---|
| n | 574 (100%) | 364 (63.41%) | 210 (36.59%) | – |
| PONV | 33 (5.75%) | 30 (8.24%) | 3 (1.43%) | < 0.001 |
| Stool passage | 277 (48.26%) | 166 (45.6%) | 111 (52.86%) | 0.119 |
| Mean IV fluid administration during the operation day (ml ± SD) | 807.08 ± 439.53 | 801.96 ± 404.61 | 819.79 ± 520.85 | 0.811 |
| Mean IV fluid administration during the first post-op day (ml ± SD) | 1715.58 ± 1031.19 | 1632.05 ± 906.08 | 1846.94 ± 1194.08 | 0.287 |
| Mean IV fluid administration during the second post-op day (ml ± SD) | 1537.03 ± 885.84 | 1499.12 ± 899.76 | 1600.58 ± 864.84 | 0.276 |
| Mean IV fluid administration during the third post-op day (ml ± SD) | 1473.38 ± 720.0–0 | 1592.56 ± 645.94 | 1328.12 ± 787.24 | 0.125 |
| IV fluid administration during the operation day | 171 (29.79%) | 122 (33.52%) | 49 (23.33%) | 0.003 |
| IV fluid administration during the first post-op day | 319 (55.57%) | 195 (53.57%) | 124 (59.05%) | 0.340 |
| IV fluid administration during the second post-op day | 182 (31.71%) | 114 (31.32%) | 68 (32.38%) | 0.926 |
| IV fluid administration during the third post-op day | 71 (12.37%) | 39 (10.71%) | 32 (15.24%) | 0.518 |
| Mean oral fluid intake during the operation day (ml ± SD) | 427.05 ± 432.1 | 428.55 ± 418.55 | 424.56 ± 454.96 | 0.921 |
| Mean oral fluid intake during the first post-op day (ml ± SD) | 1333.46 ± 666.58 | 1213.62 ± 689.46 | 1532.94 ± 575.4 | < 0.001 |
| Mean oral fluid intake during the second post-op day (ml ± SD) | 1676.7 ± 799.15 | 1456.77 ± 743.38 | 1978.23 ± 776.86 | < 0.001 |
| Mean oral fluid intake during the third post-op day (ml ± SD) | 1781.68 ± 683.55 | 1763.15 ± 751.90 | 1807.27 ± 581.77 | 0.717 |
| Mean diuresis during the operation day (ml ± SD) | 2269.82 ± 814.85 | 2253.61 ± 768.47 | 2296.57 ± 887.71 | 0.573 |
| Mean diuresis during the first post-op day (ml ± SD) | 2516.42 ± 802.29 | 2497.46 ± 781.06 | 2548.02 ± 837.79 | 0.508 |
| Mean diuresis during the second post-op day (ml ± SD) | 2497.87 ± 844.1 | 2369.26 ± 767.15 | 2683.88 ± 916.06 | 0.001 |
| Mean diuresis during the third post-op day (ml ± SD) | 2477.69 ± 839.53 | 2346.71 ± 848.58 | 2662.03 ± 798.28 | 0.034 |
| Diuretic management | 327 (56.97%) | 200 (54.95%) | 127 (60.48%) | 0.281 |
| Extra painkiller management | 200 (34.84%) | 126 (34.62%) | 74 (35.24%) | 0.949 |
| Postoperative fever | 88 (15.33%) | 44 (12.09%) | 44 (20.95%) | 0.006 |
| Median LOS (days, IQR) | 3 (2–4) | 3 (2–4) | 3 (2–4) | 0.039 |
| Mean LOS (days ± SD) | 3.57 ± 3.6 | 3.64 ± 4.41 | 3.46 ± 1.58 | |
| Readmissions | 37 (6.45%) | 19 (5.22%) | 18 (8.57%) | 0.163 |