Table 4.
Comparison of the swelling degree of the affected limb between the two groups at different time points (M ± IQR).
| Time | Experimental group | Control group | Z value | P value |
| N | 30 | 30 | ||
| Postoperative | 1.00 (0.00,1.00) | 1.00 (0.00,1.00) | 0.001 | .98 |
| 1d after operation | 1.50a (1.00,2.00) | 2.00a (1.00,3.00) | −2.192 | .028 |
| 3d after operation | 1.00a,b (0.00,1.00) | 1.50a,b (0.75,2.00) | −2.816 | .005 |
| 7d after operation | 0.00a,b,c (0.00,0.00) | 0.00a,b,c (0.00,1.00) | −2.229 | .026 |
| Experimental group Kruskal-Wallis H (different timepoints) | 40.224 | |||
| Experimental group P for different timepoints | .000 | |||
| Control group Kruskal-Wallis H for different timepoints | 40.161 | |||
| Control group P for different timepoints | .000 |
Compared with before the operation.
a
P < .05; Compared with 1d after the operation.
b
P < .05; Compared with 3d after the operation.
c
P < .05.