Item | 7-item | 4-item | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Ba | SEb | Zc | #P | 95% CI | Ba | SEb | Zc | #P | 95% CI | ||
1 | Daytime freq | ||||||||||
Discrimination | 2.52 | 0.47 | 5.37 | 0.000 | 1.60–3.44 | 2.78 | 0.47 | 5.89 | 0.00 | 1.85–3.70 | |
Difficulty | 0.65 | 0.08 | 8.24 | 0.000 | 0.49–0.80 | 0.64 | 0.08 | 8.43 | 0.00 | 0.49–0.79 | |
2 | Nocturnal freq | ||||||||||
Discrimination | 2.07 | 0.35 | 5.96 | 0.00 | 1.39–2.75 | 2.16 | 0.37 | 5.83 | 0.00 | 1.43–2.88 | |
Difficulty | 1.17 | 0.12 | 10.05 | 0.00 | 0.94–1.40 | 1.17 | 0.10 | 11.38 | 0.00 | 0.97–1.38 | |
3 | Urgency | ||||||||||
Discrimination | 1.78 | 0.31 | 5.69 | 0.00 | 1.17–2.39 | 1.52 | 0.29 | 5.32 | 0.00 | 0.96–2.08 | |
Difficulty | 1.55 | 0.12 | 9.33 | 0.00 | 1.23–1.88 | 1.70 | 0.21 | 8.15 | 0.00 | 1.29–2.10 | |
4 | Bleeding | ||||||||||
Discrimination | 1.55 | 0.23 | 6.69 | 0.00 | 1.09–2.00 | 1.50 | 0.23 | 6.51 | 0.00 | 1.05–1.95 | |
Difficulty | 0.63 | 0.10 | 6.52 | 0.00 | 0.44–0.82 | 0.65 | 0.10 | 6.57 | 0.00 | 0.46–0.85 | |
5 | Well-being | ||||||||||
Discrimination | 1.73 | 0.31 | 5.64 | 0.00 | 1.13–2.33 | ||||||
Difficulty | 1.57 | 0.17 | 9.11 | 0.00 | 1.23–1.91 | ||||||
6 | Arthritis | ||||||||||
Discrimination | 0.41 | 0.16 | 2.53 | 0.01 | 0.09–0.73 | ||||||
Difficulty | 4.21 | 1.58 | 2.65 | 0.01 | 1.10–7.32 | ||||||
7 | Uveitis | ||||||||||
Discrimination | 0.61 | 0.25 | 2.45 | 0.01 | 0.12–1.09 | ||||||
Difficulty | 4.85 | 1.80 | 2.69 | 0.01 | 1.32–8.39 |