| |
Cluster 1
|
Cluster 2
|
Cluster 3
|
Cluster 4
|
Cluster 5
|
|---|
|
Patients’ demographics
|
|
N
|
49
|
46
|
12
|
8
|
17
|
|
age (year)
|
64.0 (9.9)
|
61.2 (9.3)
|
62.5 (8.4)
|
51.3 (10.2)$
|
63.8 (7.6)**
|
|
disease duration (year)
|
16.2 (8.4)
|
17.1 (7.2)
|
19.7 (7.6)
|
17.4 (6.2)
|
25.5 (10.8)*, ***
|
|
Kapandji Index
|
34.4 (10.9)
|
35.8 (9.3)
|
30.5 (7.4)
|
25.8 (6.6)
|
22.5 (8.9)*, ***
|
|
Deformity parameters
|
|
Swan-neck deformity
|
1.6 (0.3)
|
1.4 (0.2)
|
1.6 (0.6)
|
1.9 (0.5)
|
12.1 (0.8)%
|
|
Boutonnière deformity
|
1.2 (2.0)
|
0.2 (0.7)
|
5.3 (2.7)#
|
1.4 (2.7)
|
0.0 (0.0)
|
|
Ulnar drift
|
2.9 (2.7)
|
3.7 (2.6)
|
3.4 (1.1)
|
6.6 (1.4)%
|
3.6 (1.7)
|
- Numbers express the mean (standard deviation). Analysis of variance with post-hoc Bonferroni was performed for multiple comparison
- *: p < 0.05; cluster 1 and 5, **: p < 0.05; cluster 4 and 5, ***: p < 0.05; cluster 2 and 5, $: p < 0.05, cluster 1 and 4
- %: p < 0.05, against all the other clusters, #: p < 0.05, against cluster 1, 2, and 4
