Table 6.
Scoring system of STIDAT
| Components | Proportion explaining diarrhea | Score calculation |
|---|---|---|
| Factor 1: Patient’s perception of diarrhea | ||
| Presence of diarrhea | 0.193 | N1 × 0.193 |
| Severity of diarrhea | 0.529 | N2 × 0.529 |
| Presence of urgency | 0.048 | N1 × 0.048 |
| Factor 2: Bowel movement frequency | ||
| Number of bowel movements | 0.050 | N3 × 0.050 |
| Number of diarrhea episodes | 0.161 | N3 × 0.161 |
| Medication use | 0.060 | N1 × 0.060 |
| Quality of life | −0.048 | Average N1–5 x − 0.048 |
| Factor 3: Fecal incontinence | ||
| Presence of fecal incontinence | 0.016 | N1 × 0.016 |
| Factor 4: Abdominal symptoms | ||
| Presence of abdominal spasms | 0.032 | N1 × 0.032 |
| Presence of abdominal discomfort | 0.031 | N1 × 0.031 |
| TOTAL | Sum of component scores +0.48* | |
N1: yes = 1, no = 0
N2: no = 0, mild = 1, moderate = 2, severe = 3
N3: an integer of n ≥ 0
*adjustment factor