Concurrent validity between traditional pen and paper versus electronic WOSI version completed within a 3-day interval (n=25)
| WOSI paper | WOSI e (1) | Diff. | 95% LOA | SEM (%) | MDC (%) | CCC (95% CI) | |||
| Mean±SD | Range | Mean±SD | Range | Mean± SD | |||||
| Domains | |||||||||
| Physical symptoms (0–1000) | 186.4±149.8 | 13–556 | 192.5±185.0 | 4–657 | 6.0±79.8 | −150; 162.4 | 56.4 (6) | 156.4 (16) | 0.89 (0.78 to 0.94) |
| Sports, recreation, work (0–400) | 83.8±98.4 | 2–289 | 96.1±112.5 | 0–299 | 12.3±39.7 | −65.5; 90.1 | 28.1 (7) | 77.8 (20) | 0.92 (0.84 to 0.96) |
| Lifestyle (0–400) | 92.5±101.1 | 0–319 | 88.5±96.2 | 0–330 | 4.0±28.3 | −51.5; 59.5 | 20.0 (5) | 55.5 (14) | 0.96 (0.91 to 0.98) |
| Emotions (0–300) | 119.1±98.8 | 2–289 | 114.1±111.3 | 0–300 | 5.0±38.1 | −69.7; 79.7 | 26.9 (9) | 74.7 (25) | 0.94 (0.86 to 0.97) |
| WOSI total score (0–2100) | 481.8±414.4 | 24–1424 | 491.2±480.7 | 5–1505 | 9.3±134.1 | −253.5; 272.1 | 94.8 (5) | 262.8 (13) | 0.96 (0.91 to 0.98) |
CCC, Concordance Correlation Coefficient; Diff., difference; e (1), first electronic completion; ICC, Intra-class Correlation Coefficient; LOA, limits of agreement; MDC, minimal detectable change; WOSI, Western Ontario Shoulder Instability.