Group |
N |
Missing |
Swelling pre |
36 |
22 |
Swelling 1w |
36 |
21 |
Swelling 2w |
36 |
22 |
Swelling 3w |
36 |
22 |
Swelling 3m |
36 |
22 |
Swelling 6m |
36 |
20 |
|
Group |
Median |
25% |
75% |
Swelling pre |
3.50 |
3.00 |
4.00 |
Swelling 1w |
3.00 |
2.00 |
3.00 |
Swelling 2w |
2.00 |
1.00 |
3.00 |
Swelling 3w |
|
0.00 |
1.00 |
Swelling 3m |
0.00 |
0.00 |
0.00 |
Swelling 6m |
0.00 |
0.00 |
0.00 |
|
H=69.5 with 5 degrees of freedom (P=<0.0001).
The differences in the median values among the treatment groups are greater
than would be expected by chance; there is a statistically significant difference
(P=1.33E-013).
All pairwise multiple comparison procedures (Dunn's method): |
Comparison |
Diff. of Ranks |
p |
Q |
P<0.05 |
Swelling pre vs. 6m |
56.07 |
6 |
6.319 |
Yes |
Swelling pre vs. 3m |
54.29 |
5 |
5.923 |
Yes |
Swelling pre vs. 3w |
38.96 |
4 |
4.251 |
Yes |
Swelling pre vs. 2w |
19.68 |
3 |
2.147 |
No |
Swelling pre 1w |
9.20 |
2 |
1.022 |
Do not test |
Swelling 1w vs. 6m |
46.87 |
5 |
5.378 |
Yes |
Swelling 1w vs. 3m |
45.08 |
4 |
5.003 |
Yes |
Swelling 1w vs. 3w |
29.76 |
3 |
3.303 |
Yes |
Swelling 1w vs. 2w |
10.47 |
2 |
1.162 |
Do not test |
Swelling 2w vs. 6m |
36.39 |
4 |
4.101 |
Yes |
Swelling 2w vs. 3m |
34.61 |
3 |
3.776 |
Yes |
Swelling 2w vs. 3w |
19.29 |
2 |
2.104 |
No |
Swelling 3w vs. 6m |
17.11 |
3 |
1.928 |
No |
Swelling 3w vs. 3m |
15.32 |
2 |
1.672 |
Do not test |
Swelling 3m vs. 6m |
1.79 |
2 |
0.201 |
Do not test |
|
Table 4: Statistical analysis of swelling at each time point. Swelling: Kruskal-Wallis
one way analysis of variance on ranks. |