Table 1 Baseline characteristics for acute phase and maintenance phase samples
Acute phase sample (n = 717) | Maintenance phase sample (n = 459) | |
|---|---|---|
Gender, n (%) | ||
Female | 308 (43.0) | 200 (43.6) |
Male | 409 (57.0) | 259 (56.4) |
Age, mean (SD) | 42.9 (14.0) | 42.7 (14.2) |
BMI, mean (SD) | 24.4 (4.9) | 24.3 (4.8) |
UC-DAI, mean (SD) | ||
Stool frequency (range: 0–3) | 1.7 (0.8) | 1.6 (0.8) |
Rectal bleeding severity (range: 0–3) | 1.3 (0.7) | 1.2 (0.7) |
Mucosal appearance (range: 0–3) | 1.9 (0.5) | 1.9 (0.5) |
Physician global assessment (range: 0–3) | 1.6 (0.5) | 1.6 (0.5) |
Total score (range: 0–12) | 6.6 (1.6) | 6.3 (1.5) |
SF-12v2, mean (SD) | ||
Physical functioning | 46.3 (9.1) | 46.2 (9.1) |
Role physical | 43.8 (7.9) | 44.5 (7.5) |
Bodily pain | 43.5 (9.1) | 43.7 (8.7) |
General health | 41.5 (10.1) | 41.1 (9.8) |
Vitality | 46.8 (9.5) | 47.2 (8.9) |
Social functioning | 42.4 (9.3) | 43.1 (8.9) |
Role emotional | 41.9 (9.6) | 41.8 (9.4) |
Mental health | 44.2 (9.4) | 44.4 (9.0) |
PCS | 44.9 (7.7) | 45.0 (7.6) |
MCS | 43.1 (9.2) | 43.5 (8.9) |
SIBDQ, mean (SD) | ||
Bowel symptoms (range: 3–21) | 12.6 (3.1) | 12.8 (3.1) |
Systemic symptoms (range: 2–14) | 8.9 (2.6) | 9.1 (2.5) |
Emotional function (range: 3–21) | 12.8 (3.9) | 13.1 (3.8) |
Social function (range: 2–14) | 8.9 (3.0) | 9.2 (2.9) |
Total score (range: 10–70) | 43.2 (10.6) | 44.1 (10.4) |
WPAI:UC, mean (SD); range (0–100) | ||
Absenteeism | 13.3 (24.0) | 12.3 (22.2) |
Presenteeism | 36.1 (24.5) | 32.7 (22.8) |
Overall work impairment | 42.2 (28.2) | 39.1 (26.6) |
Activity impairment | 41.5 (25.6) | 38.9 (24.7) |