Table 1.
Characteristics of the participants at serum IPA sampling (1-year examination study) (n = 403)
| Intervention (202) | Control (201) | P * | |
|---|---|---|---|
| Age (years) | 56.2 ± 7.0 | 55.0 ± 7.0 | 0.11 |
| Sex (male/female) | 70/132 | 58/143 | 0.24 |
| Body weight (kg) | 82.0 ± 13.4 | 84.7 ± 14.5 | 0.05 |
| BMI (kg/m2) | 29.6 ± 4.3 | 30.8 ± 4.6 | 0.006 |
| Plasma glucose (mmol/l) | |||
| Fasting | 5.9 ± 0.7 | 6.2 ± 0.9 | 0.0001 |
| 120 min | 8.1 ± 1.9 | 8.5 ± 2.1 | 0.01 |
| Serum insulin (pmol/l) | |||
| Fasting | 76 (63; 104) (196) | 90 (63; 118) (193) | 0.02 |
| 120 min | 358 (236; 606) (190) | 438 (313; 705) (189) | 0.02 |
| IPA (ng/ml) | 192 (118; 291) | 174 (104; 276) | 0.14 |
ANOVA analysis of variance, BMI body mass index, IPA indolepropionic acid
Data are mean ± SD, median (interquartile range) or (n). *P for the difference between groups at 1-year study using one-way ANOVA for continuous variables or Fisher’s exact test for sex variables.