Table 1 Characteristics of studies included
| Â | Year | Sample size (DTO/PTO) | Female (%) | Mean age(years) | Intervention DTO PTO | Country | Study design | follow-up (month) | Relevant outcome | |
|---|---|---|---|---|---|---|---|---|---|---|
Kim et al .[24] | 2021 | 44/50 | 66.0 | DTO 56.83 ± 5.93 PTO 55.88 ± 7.02 | Distal tibial tuberosity osteotomy | Proximal tibial tubercle osteotomy | Korea | Retrospective study | 48 | Postoperative patellar height; posterior tibial slope; postoperative complications |
Horikawa et al .[25] | 2019 | 46/65 | 67.6 | DTO 62.6 ± 6.2 PTO 63.0 ± 7.1 | Distal tibial tuberosity osteotomy | Proximal tibial tubercle osteotomy | Japan | Retrospective study | 12 | Postoperative patellar height;FTA; JOA score;posterior tibial slope |
Ogawa et al.[26] | 2019 | 43/41 | 66.7 | DTO 62.3(40–73) PTO 62.8(48–75) | Distal tibial tuberosity osteotomy | Proximal tibial tubercle osteotomy | Japan | Retrospective study | DTO 22.2 PTO 33.7 | Postoperative patellar height; KSS |
Krause et al. [27] | 2017 | 32/32 | 37.5 | 45.2 ± 8.7 | Distal tibial tuberosity osteotomy | Proximal tibial tubercle osteotomy | Germany | Retrospective study | NR | Postoperative patellar height;FTA; posterior tibial slope |
Park et al .[28] | 2017 | 33/30 | 66.7 | DTO 30.5 ± 8.0 PTO 32.8 ± 7.5 | Distal tibial tuberosity osteotomy | Proximal tibial tubercle osteotomy | Korea | Retrospective study | DTO 33.1 ± 2.9 PTO 32.4 ± 8.7 | Postoperative patellar height;FTA; posterior tibial slope; postoperative complications |
Gooi et al .[29] | 2017 | 24/82 | 37.7 | 48.8 ± 10.8 | Distal tibial tuberosity osteotomy | Proximal tibial tubercle osteotomy | Singapore | Retrospective study | NR | Postoperative patellar height; posterior tibial slope |
Morsi et al .[30] | 2014 | 25/25 | 50 | DTO 48(41–59) PTO 47.7(42–58) | Distal tibial tuberosity osteotomy | Proximal tibial tubercle osteotomy | Egypt | Retrospective study | DTO 29.1(12–36) PTO 27.4(12–34) | Postoperative patellar height;KSS postoperative complications |
Longino et al. [31] | 2013 | 29/29 | 27.6 | DTO 46 ± 8 PTO 49 ± 6 | Distal tibial tuberosity osteotomy | Proximal tibial tubercle osteotomy | Canada | Retrospectivestudy | DTO 23.1 ± 6.6PTO 22.7 ± 6.1 | Postoperative patellar height;posterior tibial slope |
Elmali et al .[32] | 2012 | 26/21 | 78.7 | DTO 55 ± 7PTO 55 ± 9 | Distal tibial tuberosity osteotomy | Proximal tibial tubercle osteotomy | Turkey | Retrospectivestudy | DTO 38 ± 5PTO 40.6 ± 7 | HSS;FTA;postoperative patellar height;posterior tibial slope;postoperativecomplications |
Hinterwimmer et al .[33] | 2011 | 13/12 | 12 | 40.2 ± 8.9 | Distal tibial tuberosity osteotomy | Proximal tibial tubercle osteotomy | Germany | Retrospectivestudy | NR | Postoperative patellar height;posterior tibial slope |
Gaasbeek et al .[34] | 2004 | 17/20 | 24.3 | DTO 48 ± 10PTO 42 ± 11 | Distal tibial tuberosity osteotomy | Proximal tibial tubercle osteotomy | Netherlands | Retrospectivestudy | 1.5 | Postoperative patellar height; |