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. 2018 Jun 1;12(3):245–250. doi: 10.1302/1863-2548.12.180026

Table 1.

The mean sulcus angle (SA) displayed with SD and range for both the dysplastic and non-dysplastic group. The number of the knees at 0, six, 18 and 72 months follow-up are presented; n represents the number of knees examined at the different follow-ups

Follow-up (mths) SA SA
Dysplastic group Non-dysplastic group
n Mean SD Range n Mean SD Range
0 15 161.0 2.4 159.2 to 168.6 101 149.5 4.6 140.2 to 158.8
6 14 160.0 3.9 154.0 to 168.1 56 150.0 5.5 131.0 to 165.1
18 10 158.5 2.4 154.2 to 161.2 86 151.2 3.8 145.6 to 159.9
72 12 158.3 3.3 153.0 to 164.0 80 151.6 3.8 144.0 to 161.0