Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 3 Intra- and intergroup temporal variations in VAS score
Groups | Statistics | ||||
|---|---|---|---|---|---|
Ice wrap \(\stackrel{-}{x}\pm sd\) | SI \(\stackrel{-}{x}\pm sd\) | Control \(\stackrel{-}{x}\pm sd\) | F | p | |
Preop VAS | 5.96 ± 2.33 | 6.2 ± 2.33 | 7.56 ± 1.41 | 2.956 | 0.060 |
VAS at 0 days postop | 5.26 ± 2.61 | 5.3 ± 2.47 | 6.2 ± 2.51 | 0.748 | 0.478 |
VAS at 1 day postop | 5.39 ± 2.37 | 4.45 ± 2.26 | 5 ± 2.37 | 0.874 | 0.423 |
VAS at 7 days postop | 4.83 ± 2.37 | 3.5 ± 2.04 | 4.81 ± 2.34 | 2.442 | 0.096 |
VAS at 14 days postop | 3.57 ± 2.04 | 2.65 ± 1.69 | 3.81 ± 2.37 | 1.729 | 0.187 |
VAS at 21 days postop | 2.4 ± 1,8 | 2.2 ± 1.77 | 3.2 ± 2.17 | 1.327 | 0.274 |
Statistics | F = 12.028 p < 0.001 | F = 10.866 p < 0.001 | F = 9.654 p < 0.001 | ||
Model statistics* | |||||
F | p | ||||
Group effect | 2.391 | 0.101 | |||
Time effect | 36.587 | < 0.001 | |||
Effect of group × time interaction | 1.045 | 0.406 | |||