Placebo (n=188) | Selenium (n=201) | Total (n=389) | P value | |
HOMA2-%β | ||||
Baseline % beta cell function | ||||
Mean (SD) | 95.5 (29.6) | 97.6 (32.0) | 96.6 (30.9) | 0.51* |
Median (Q1, Q3) | 94.0 (77.0, 112.5) | 91.9 (76.9, 112.4) | 92.6 (77.0, 112.4) | |
Post % beta cell function | ||||
Mean (SD) | 98.6 (37.2) | 100.6 (34.0) | 99.6 (35.6) | 0.57 |
Median (Q1, Q3) | 92.0 (76.3, 113.0) | 93.8 (78.0, 114.2) | 92.4 (76.9, 113.3) | |
∆ % beta cell function | ||||
Mean (SD) | 3.1 (29.8) | 3.1 (24.0) | 3.1 (26.9) | 0.99 |
Median (Q1, Q3) | −0.2 (-11.0, 10.5) | 1.5 (-11.1, 13.7) | 0.4 (-11.0, 12.4) | |
HOMA2-%S | ||||
Baseline % insulin sensitivity | ||||
Mean (SD) | 251.9 (423.1) | 241.5 (316.2) | 246.5 (371.3) | 1.0† |
Median (Q1, Q3) | 140.8 (87.1, 289.1) | 146.9 (77.4, 284.5) | 144.3 (83.5, 284.9) | |
Post % insulin sensitivity | ||||
Mean (SD) | 332.8 (1603.3) | 241.0 (393.2) | 285.4 (1149.2) | 0.52 |
Median (Q1, Q3) | 131.3 (74.0, 270.4) | 136.1 (79.4, 284.4) | 133.9 (79.0, 282.1) | |
∆ Insulin sensitivity | ||||
Mean (SD) | 80.9 (1530.9) | −0.5 (223.2) | 38.9 (1075.6) | 0.40 |
Median (Q1, Q3) | −9.3 (-56.7, 31.4) | −2.3 (-53.9, 43.5) | −6.1 (-54.1, 34.2) |
*Student’s t-test.
†Kruskal-Wallis test.
HOMA2-%β, homeostatic model assessment of β-cell function; HOMA2-%S, homeostatic model assessment of insulin sensitivity.