Table 2 The results of the repeated measures analysis of variance for the variations of the mean score of CTR-associated pain across the four measurement time points
Time | Group | |||||||
|---|---|---|---|---|---|---|---|---|
Placebo | TENS | Cold compress | Combined | |||||
Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
Before CTR | 0.03 | 0.18 | 0.00 | 0.00 | 0.03 | 0.18 | 0.00 | 0.00 |
During CTR | 4.21 | 1.18 | 2.92 | 0.80 | 2.60 | 0.77 | 2.23 | 0.76 |
Immediately after CTR | 3.83 | 1.07 | 2.27 | 0.78 | 2.03 | 1.0 | 1.27 | 1.08 |
Fifteen minutes after CTR | 1.62 | 0.77 | 0.85 | 0.67 | 0.53 | 0.73 | 0.38 | 0.57 |
Source | Sum of squares | DF | F | P value |
|---|---|---|---|---|
Time | 617.38 | 3 | 562.04 | < 0.001 |
Group | 132.91 | 3 | 37.94 | < 0.001 |
Time-group interaction | 55.37 | 9 | 16.80 | < 0.001 |
Error | 124.94 | 107 | Â | Â |