Table 1.
Responsiveness of each instrument
| Preoperative | Postoperative | Postoperative — preoperative | Responsiveness | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Instrument | Mean | SD | Mean | SD | Mean | Median | SD | SRM | ES |
| CTSI-SS (60)*** | 2.59 | 0.72 | 1.81 | 0.67 | −0.77 | −0.80 | 0.78 | −1.00 | −1.08 |
| CTSI-FS (59)** | 2.28 | 0.87 | 1.71 | 0.64 | −0.55 | −0.50 | 0.72 | −0.76 | −0.63 |
| DASH-DS (55)*** | 33.3 | 19.6 | 23.8 | 18.5 | −9.14 | −9.17 | 19.7 | −0.46 | −0.47 |
| SF-36-PF (60) | 72.2 | 24.1 | 71.8 | 26.6 | −0.43 | 0 | 22.8 | −0.02 | −0.02 |
| SF-36-RP (58) | 54.0 | 41.0 | 56.8 | 42.3 | 2.44 | 0 | 41.9 | 0.06 | 0.06 |
| SF-36-BP (60)*** | 46.3 | 22.2 | 58.4 | 24.1 | 12.1 | 11.5 | 27.2 | 0.45 | 0.55 |
| SF-36-GH (59) | 57.5 | 18.3 | 59.1 | 16.3 | 1.57 | 0 | 15.0 | 0.10 | 0.09 |
| SF-36-VT (59) | 56.3 | 21.3 | 60.2 | 22.6 | 4.07 | 5 | 21.7 | 0.19 | 0.19 |
| SF-36-SF (60) | 77.9 | 24.4 | 82.9 | 21.5 | 5.00 | 0 | 21.1 | 0.24 | 0.20 |
| SF-36-RE (56) | 66.1 | 42.9 | 63.2 | 42.2 | −2.98 | 0 | 46.4 | −0.06 | −0.07 |
| SF-36-MH (58) | 67.4 | 18.8 | 70.1 | 19.8 | 2.98 | 4 | 19.7 | 0.15 | 0.16 |
| VAS (57)* | 3.3 | 3.1 | 2.3 | 2.4 | −1.0 | −0.5 | 3.6 | −0.29 | −0.34 |
Numbers in parentheses indicate the number of tests performed
SRM, standardized response mean; ES, effect size; CTSI-JSSH-SS, Symptom Severity scale of the Japanese Society for Surgery of the Hand Version of Carpal Tunnel Syndrome Instrument (CTSI-JSSH); CTSI-JSSH-FS, Functional Status scale of CTSI-JSSH; DASH-JSSH, Disability/Symptom scale of the Japanese version of DASH; SF-36-PF, physical functioning subscale of the 36-Item Short-Form Health Survey (SF-36); SF-36-RP, role-physical subscale of SF-36; SF-36-BP, bodily pain subscale of SF-36; SF-36-GH, general health subscale of SF-36; SF-36-VT, vitality subscale of SF-36; SF-36-SF, social functioning subscale of SF-36; SF-36-RE, role-emotional subscale of SF-36-MH, mental health subscale of SF-36; VAS [0–10], Visual Analog Scale for pain [0–10 scale]
* Significant difference between preoperative and postoperative median value (P < 0.05)
** Significant difference between preoperative and postoperative median value (P < 0.01)
*** Significant difference between preoperative and postoperative median value (P < 0.001)