Table 1.
Baseline characteristics of study participants
| Factor | Level/units | Visit 1 | Visit 2 | Visit 3 |
|---|---|---|---|---|
| N ═ 27 | N ═ 22 | N ═ 19 | ||
| Sex | Male | 6 (22.22%) | 6 (27.27%) | 3 (15.79%) |
| Female | 21 (77.78%) | 16 (72.73%) | 16 (84.21%) | |
| BMI category | Normal | 4 (14.81%) | 3 (13.64%) | 2 (10.53%) |
| Overweight | 7 (25.93%) | 6 (27.27%) | 5 (26.32%) | |
| Obese | 16 (59.26%) | 13 (59.09%) | 12 (63.16%) | |
| Bariatric surgery status | No prior history | 17 (62.96%) | 13 (59.09%) | 13 (68.42%) |
| Had a prior history | 10 (37.04%) | 9 (40.91%) | 6 (31.58%) | |
| Fat percent, median (IQR) | % | 37.00 (32.90, 42.20) | 37.00 (32.90, 42.90) | 39.60 (33.60, 44.00) |
| Biphasic shape of GTT | No | 23 (85.19%) | 19 (86.36%) | 15 (88.24%) |
| Yes | 4 (14.81%) | 3 (13.64%) | 2 (11.76%) | |
| Peak glucose after 30 min on the GTT | No | 7 (25.93%) | 5 (22.73%) | 4 (23.53%) |
| Yes | 20 (74.07%) | 17 (77.27%) | 13 (76.475) | |
| GTT0, median (IQR) | mmol/L | 5.30 (4.90, 5.80) | 5.45 (5.00, 5.70) | 5.20 (4.90, 9.00) |
| GTT15, median (IQR) | mmol/L | 7.90 (6.80, 9.70) | 7.45 (7.00, 8.30) | 8.00 (6.20, 9.00) |
| GTT30, median (IQR) | mmol/L | 8.60 (7.10, 11.20) | 8.40 (7.70, 10.30) | 8.95 (6.80, 10.70) |
| GTT45, median (IQR) | mmol/L | 10.40 (7.50, 12.00) | 9.55 (8.40, 10.10) | 8.10 (6.40, 10.70) |
| GTT60, median (IQR) | mmol/L | 8.90 (7.20, 12.60) | 8.75 (7.60, 11.10) | 8.35 (7.10, 11.50) |
| GTT120, median (IQR) | mmol/L | 6.70 (4.20, 8.80) | 6.40 (5.30, 8.60) | 5.75 (4.70, 8.20) |
GTT: Glucose tolerance test; IQR: Interquartile range; BMI: Body mass index.