Table 5

Comparison of oral glucose tolerance test results for selenium and placebo groups

Glucose concentrations (mg/dL)Placebo (N=96)Selenium (N=79)Total (N=175)P value*
Fasting
 Mean (SD)96.6 (14.6)92.3 (12.0)94.7 (13.6)0.04
 Median (Q1, Q3)94.0 (87.0, 102.5)91.0 (83.0, 101.0)94.0 (85.0, 101.0)
10 min
 Mean (SD)116.7 (20.3)111.4 (17.4)114.3 (19.2)0.07
 Median (Q1, Q3)111.5 (103.0, 127.0)112.0 (103.0, 122.0)112.0 (103.0, 125.0)
20 min
 Mean (SD)144.0 (25.5)136.7 (21.4)140.7 (24.0)0.05
 Median (Q1, Q3)143.0 (125.0, 160.0)135.0 (121.0, 149.0)137.0 (122.0, 155.0)
30 min
 Mean (SD)161.1 (32.1)155.2 (27.9)158.4 (30.3)0.21
 Median (Q1, Q3)154.0 (136.0, 185.0)156.0 (134.0, 169.0)154.5 (135.0, 177.0)
60 min
 Mean (SD)174.0 (53.5)168.5 (42.4)171.5 (48.8)0.46
 Median (Q1, Q3)172.0 (132.5, 212.5)166.0 (135.0, 201.0)169.0 (133.0, 209.0)
90 min
 Mean (SD)155.6 (53.8)151.5 (44.4)153.7 (49.7)0.59
 Median (Q1, Q3)146.0 (121.0, 192.0)145.0 (120.0, 186.0)145.0 (121.0, 190.0)
120 min
 Mean (SD)132.2 (49.8)129.4 (41.4)130.9 (46.1)0.70
 Median (Q1, Q3)122.0 (95.0, 168.0)119.0 (98.0, 161.0)120.0 (97.0, 161.0)
180 min
 Mean (SD)86.6 (38.3)78.7 (31.3)83.0 (35.4)0.15
 Median (Q1, Q3)76.0 (64.0, 98.0)69.5 (58.0, 94.0)74.0 (59.0, 97.0)
  • *Student’s t-test.