TABLE 1.
Comparison of the study populationa
| Variables | D+ IBS (n = 10) | D− IBS (n = 9) | P value | Total IBS (n = 19) | HC (n = 24) | P value |
|---|---|---|---|---|---|---|
| Age, y | 13.1 ± 2.1 | 13.7 ± 1.9 | 0.875 | 13.4 ± 2.0 | 13.8 ± 2.2 | 0.577 |
| Sex, M:F | 6:4 | 5:4 | 1.000 | 11:8 | 17:7 | 0.574 |
| Duration of morbidity, y | 0.8 [0.2; 2.0] | 0.5 [0.2; 3.0] | 0.901 | 0.5 [0.2; 2.0] | NA | NA |
| Less than 1 yr/more than 1 yr | 5/5 | 5/4 | 1.000 | 10/9 | NA | NA |
| Calprotectin (mg/kg) | 12.0 [9.6;31.5] | 37.5 [8.1;71.0]b | 0.197 | 26.5 [8.1;53.0] | NA | NA |
| <50/≥50 | 6/4 | 7/1 | 0.444 | 13/5 | NA | NA |
a
The data are presented as means ± standard deviations for normally distributed continuous variables or medians with [interquartile range] for non-normally distributed variables. D+ IBS, Irritable bowel syndrome with diarrhea; D− IBS, irritable bowel syndrome without diarrhea; HC, healthy control; M, male; F, female; NA, not available.
b
The stool calprotectin measurement was missing in one patient.