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Table 1 Demographics of the patients

From: Long-term results and comparison of the three different high tibial osteotomy and fixation techniques in medial compartment arthrosis

Demographics  
Number of patients (n) 162 (168 knees)
Mean age 44.9 ± 10.6 years (22–68)
Male/female 65/97
Mean follow-up 12.4 ± 3.2 years (5–22)
Left/right 87/81
Mean MPTA, MAD, tibial slope (preoperative) 83.3 ± 3.1°, 28.2 ± 7.5 mm varus, 7.2 ± 4.2°
Mean MPTA, MAD, tibial slope (postoperative) 89.6 ± 5.5°, 3.5 ± 4.9 mm valgus, 7.8 ± 5.2°
Preoperative KSS 56.3 ± 13.4
Last control KSS 70.3 ± 14.9
Preoperative HSS 51.3 ± 9.7
Last control HSS 64.7 ± 13.5
Preoperative arthrosis level 39 knees grade 2 arthrosis
129 knees grade 3 arthrosis
Last control arthrosis Level 5 knees (3%) grade 2 arthrosis
81 knees (48.1%) grade 3 arthrosis
55 knees (32.7%) grade 4 arthrosis
Revision with total knee arthroplasty 27 knees