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Table 1 Body mass index (BMI) according to WHO classification of the study patients

From: Plate-related results of opening wedge high tibial osteotomy with a carbon fiber reinforced poly-ether-ether-ketone (CF-PEEK) plate fixation: a retrospective case series of 346 knees

Weight

BMI (kg/m2)

Number of Patients

Normal weight

19–24.9

34 (10.5%)

Overweight

25–29.9

150 (46.0%)

Obesity I

30–34.9

90 (28.0%)

Obesity II

35–39.9

37 (11.5%)

Obesity III

≥ 40

13 (4.0%)