Factors to improve odds of success following medial opening-wedge high tibial osteotomy: a machine learning analysis

Table 1 Baseline Demographic Characteristics and Clinical Data*

	Value
Sex
Male	181 (78.4%)
Female	50 (21.6%)
Age	56.4 ± 6.1
BMI	25.6 ± 3.0
Meniscal status
Intact	144 (62.3)
<1/3 resected	75 (32.5)
>1/3 resected	12 (5.2)
Initial cartilage status†
MFC	3.3 ± 0.7
MTP	3.0 ± 0.8
Kissing lesion	55 (23.8%)
Cartilage repair procedure	126 (54.5%)
Preoperative ROM	138.6 ± 9.1
Preoperative KOOS
Pain	41.8 ± 6.5
Symptoms	50.3 ± 6.9
Activities of daily living	52.7 ± 5.6
Sports and recreation	25.2 ± 4.9
Quality of life	29.2 ± 5.7
Preoperative IKDC	39.2 ± 5.0
Preoperative SF-36 PCS	42.7 ± 6.3
Preoperative tegner activity scale score	2.0 ± 0.4
Preoperative Kellgren-Lawrence grade	2.7 ± 0.5
Preoperative HKA	6.8 ± 2.6
Preoperative MPTA	85.8 ± 2.8
Preoperative posterior tibial slope	7.4 ± 3.8
Postoperative 3months HKA	2.6 ± 2.6
Postoperative 3months MPTA	93.1 ± 2.8
Postoperative 3months posterior tibial slope	9.3 ± 3.4
Achievement of treatment success for MOWHTO	200 (86.5%)

*Values are presented as the mean ± standard deviations or n (%)
†Initial cartilage status was graded at the time of initial high tibial osteotomy according to the International Cartilage Repair Society grading system
BMI, body mass index; MFC, medial femoral condyle; MTP, medial tibial plateau; ROM, range of motion; KOOS Knee Injury and Osteoarthritis Outcome Score; IKDC International Knee Documentation Committee; SF-36 PCS Short Form-36 Physical Component Summary; HKA hip–knee–ankle; MPTA medial proximal tibial angle; MOWHTO, medial opening-wedge high tibial osteotomy

ISSN: 1471-2474