Table 3.
Mean (SD) of single-item and full-scale assessments.
| Assessment | Single-Item Score (x Number of Full Scale Items) | Full-Scale Score (Sum of All Items) | DIFF Score (SDDIFF) | 95% Limits of Agreement Interval | % of DIFF Scores Outside the 95% Limits of Agreement Interval | Agreement between Methods |
|---|---|---|---|---|---|---|
| IBS–constipation | 6.9 (11.6) | 10.8 (7.1) | 4.0 (8.6) | −12.9, 20.9 | 6.0 % | No |
| IBS–diarrhea | 9.9 (11.0) | 10.8 (7.1) | 0.9 (9.1) | −16.9, 18.7 | 5.9 % | No |
| IBS–pain | 14.8 (14.0) | 10.8 (7.1) | −3.9 (10.2) | −23.9, 16.1 | 4.6 % | Yes |
| POMS-SF Anger | 4.3 (15.4) | 30.7 (16.3) | 26.4 (15.8) | −4.64, 57.4 | 5.4 % | No |
| POMS-SF Depression | 14.7 (27.6) | 30.7 (16.3) | 16.0 (18.8) | −20.8, 52.8 | 5.6 % | No |
| POMS-SF Tension | 32.7 (34.5) | 30.7 (16.3) | −2.1 (24.2) | −49.5, 45.3 | 5.1 % | No |
| POMS-SF Fatigue | 47.0 (39.1) | 30.7 (16.3) | −26.3 (30.6) | −86.3, 33.7 | 3.0 % | Yes |
| POMS-SF Vigor | 59.1 (36.0) | 30.7 (16.3) | −28.3 (40.8) | −108.3, 51.7 | 2.8 % | Yes |
| DASS-21 Anxiety | 13.4 (27.4) | 23.1 (19.7) | 9.8 (19.5) | −28.4, 48.0 | 5.0 % | No |
| DASS-21 Depression | 27.2 (33.3) | 23.1 (19.7) | −4.3 (22.7) | −48.8, 40.2 | 5.3 % | No |
| DASS-21 Stress | 36.9 (37.0) | 23.1 (19.7) | −13.9 (27.3) | −67.2, 39.6 | 4.7 % | Yes |
| Sleep initiation problems | 17.5 (8.3) | 16.4 (5.4) | −1.0 (5.5) | −11.8, 9.7 | 5.6 % | No |
| Sleep maintenance problems | 13.6 (7.3) | 16.4 (5.4) | 2.9 (5.3) | −7.5, 13.3 | 5.2 % | No |
Sum (SD) scores of the full-scale and single-items are presented.