Table 2.
Correlation between patient and physician perceptions of ulcerative colitis.
| Visit | Number of patients | Spearman correlation coefficient [95% CI] | p-value |
|---|---|---|---|
| PRISM [patient] vs PRISM [physician] | |||
| Visit 1 (baseline) | 1790 | 0.60 [0.56–0.62] | <0.0001 |
| Visit 2 (Month 6) | 1558 | 0.61 [0.58–0.64] | <0.0001 |
| Visit 3 (Month 12) | 1414 | 0.65 [0.62–0.68] | <0.0001 |
| Visit 4 (Month 18) | 1298 | 0.67 [0.64–0.70] | <0.0001 |
| Visit 5 (Month 24) | 1243 | 0.63 [0.60–0.66] | <0.0001 |
| SCCAI vs P-SCCAI | |||
| Visit 1 (baseline) | 1791 | 0.73 [0.71–0.75] | <0.0001 |
| Visit 2 (Month 6) | 1559 | 0.72 [0.69–0.74] | <0.0001 |
| Visit 3 (Month 12) | 1428 | 0.71 [0.69–0.74] | <0.0001 |
| Visit 4 (Month 18) | 1322 | 0.65 [0.62–0.68] | <0.0001 |
| Visit 5 (Month 24) | 1272 | 0.67 [0.64–0.70] | <0.0001 |
Statistical significance was calculated using exact critical probability [p] values.
CI, confidence interval; PRISM, Pictorial Representation of Illness and Self-Measure; P-SCCAI, patient-modified SCCAI; SCCAI, Simple Clinical Colitis Activity Index.