Table 6.
Comparison of CSAs at the 8-point of the 'A-hands' with the "CTS-hands" of different symptom durations
| A-hands | CTS-hands | |||
|---|---|---|---|---|
| (n = 50) | 1 month(n = 12) | > 1 month and 12 months (n = 82) | >12 months (n = 118) | |
| i4 | 11.8 ± 2.4 (8-19) | 14.1 ± 4.7 (8-24) | 16.6 ± 5.1 (7-34)* | 18.5 ± 6.9 (8-41)* |
| i3 | 11.5 ± 2.3 (8-19) | 12.7 ± 2.9 (8-17) | 16.0 ± 5.0 (8-28) * | 17.3 ± 6.0 (8-42)*,# |
| i2 | 10.9 ± 1.9 (8-16) | 11.2 ± 2.6 (7-17) | 12.8 ± 2.8 (7-20) * | 13.1 ± 3.7 (6-29)* |
| i1 | 10.7 ± 1.7 (8-15) | 12.8 ± 2.0 (10-16) | 13.6 ± 4.1 (7-24) * | 15.0 ± 5.1 (7-34.4)* |
| w | 10.7 ± 2.0 (7-17) | 11.7 ± 3.3 (7-18) | 14.8 ± 5.2 (7-40.4) * | 16.0 ± 5.2 (7-33)*# |
| o1 | 10.1 ± 2.2 ( 6-16) | 11.2 ± 2.9 (7-16) | 12.8 ± 3.2 (7-23) * | 13.7 ± 3.4 (8-27.4)* |
| o2 | 10.2 ± 2.1 (7-17) | 10.8 ± 2.0 (8-15) | 11.6 ± 2.3 (6-19) * | 12.7 ± 2.8 (7-21.3)* |
| o3 | 9.4 ± 1.9 (6-15) | 10.5 ± 2.6 (7-17) | 11.1 ± 2.2 (5-16) * | 11.4 ± 2.6 (6-19)* |
Abbreviations: A-hand, asymptomatic hands; CTS-hands, carpal tunnel syndrome hand; CSAs, cross section areas Markers of the 8-point: i4, i3, i2, i1, w, o1, o2, and o3. Unit of CSA = mm2
*p < 0.05 (a comparison of CSAs of the 'A-hands' with the CSAs of the 'CTS-hands' of different symptom durations using analysis of variance (ANOVA) followed by Scheffe's multiple comparison procedure)
#p < 0.05 (a comparison of CSAs of the CTS-hands with <1 month duration with the CSAs of the 'CTS-hands' with >12 months duration using analysis of variance (ANOVA) followed by Scheffe's multiple comparison procedure)