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Table 1 Patient demographics and outcome measures of included studies

From: Sporting participation following the operative management of chondral defects of the knee at mid-term follow up: a systematic review and meta-analysis

Study Journal Year LOE No. of patients Gender Mean age (range) Follow up (months) Outcome measures
Cotter et al. [3] Arthroscopy 2018 IV 22 NR 24.39 (NR) 87 RTS
Ebert et al. [7] American Journal of Sports Medicine 2015 IV 31 15 M, 16 F 35.3 (16–57) 60 RTS, KOOS, Lysholm, Tegner, SF-36
Ebert et al. [8] American Journal of Sports Medicine 2012 I 63 42 M, 21 F 38.2 (16–63) 60 RTS, KOOS, SF-36
Ebert et al. [9] American Journal of Sports Medicine 2011 IV 41 21 M, 20 F 38.5 (13–65) 60 RTS, KOOS, SF-36
Ebert et al. [10] Orthopaedic Journal of Sports Medicine 2019 III 97 60 M, 37 F 36.8 (15–62) 60 RTS, KOOS
Gillogly et al. [11] American Journal of Sports Medicine 2014 IV 23 11 M, 12 F 31 (NR) 91 RTS, IKDC, Modified Cincinnati, Lysholm, SF-12
Gobbi et al. [12] Knee Surgery Sports Traumatology & Arthroscopy 2014 IV 61 43 M, 18 F 31.4 (NR) 181 RTS, IKDC, Lysholm, Tegner
Gobbi et al. [13] Knee Surgery Sports Traumatology & Arthroscopy 2005 IV 53 38 M, 33 F 38 (19–55) 72 RTS, IKDC, Lysholm, Tegner
Gudas et al. [14] American Journal of Sports Medicine 2012 I 57 36 M, 21 F 24.3 (15–40) 125 RTS, ICRS, Tegner
Kon et al. [16] American Journal of Sports Medicine 2011 II 21 21 M 23.7 (16–37) 94 RTS, IKDC, EQ-VAS,
Kon et al. [18] American Journal of Sports Medicine 2009 II 80 60 M, 20 F 29.8 (NR) 60 RTS, IKDC, ICRS, Tegner
Liu et al. [20] Arthroscopy 2019 IV 13 NR NR 112 RTS, Marx
Marcacci et al. [21] American Journal of Sports Medicine 2007 IV 30 22 M, 8 F 29.3 (17–46) 84 RTS, IKDC, ICRS, Tegner
McCarthy et al. [22] Arthroscopy 2017 IV 13 7 M, 6 F 19.2 (15.4–26.1) 71 RTS, IKDC, KOOS, WOMAC, SF-12, Marx, Tegner
Minzlaff et al. [23] Knee Surgery Sports Traumatology & Arthroscopy 2016 IV 30 NR 31 (19–39) 83 RTS, Activity rating scale, Tegner
Monckeberg et al. [25] Knee 2019 IV 20 13 M, 7 F 32.7 (21–47) 60 RTS, IKDC
Nielsen et al. [26] American Journal of Sports Medicine 2017 IV 149 87 M, 62 F 31.2 (NR) 72 RTS, Merle d’Aubigne´-Postel score, IKDC, Knee Society Function Score
Ollat et al. [27] Orthopaedics & Traumatology: Surgery & Research 2011 IV 20 NR NR 96 RTS
Panics et al. [28] Cartilage 2012 IV 61 55 M, 6 F 25.2 (16–41) 115 RTS, ICRS, HSS, Mod-Cincinnati, Lysholm
Pelissier et al. [29] Knee Surgery Sports Traumatology & Arthroscopy 2014 IV 12 10 M, 2 F 29 (NR) 120 RTS, IKDC, Lysholm
Pestka et al. [30] American Journal of Sports Medicine 2016 IV 130 81 M, 49 F 36.2 (14.8–52.9) 64 RTS, Tegner
Ronga et al. [31] Joints 2015 IV 4 3 M, 1 F 21.2 (18–24) 126 RTS, Mod Cincinnati, Lysholm, Tegner
Scillia et al. [32] American Journal of Sports Medicine 2015 IV 18 18 M NR 71 RTS
Stone et al. [33] Knee Surgery Sports Traumatology & Arthroscopy 2017 IV 74 46 M, 28 F 45.3 (13–69) 202 RTS, IKDC, WOMAC, Tegner
Tetta et al. [34] European Journal of Radiology 2010 IV 24 17 M, 7 F 29.9 (NR) 113 RTS, IKDC, Tegner
Vijayan et al. [35] The Journal of Bone and joint Surgery (British) 2012 IV 14 12 M, 2 F 23.6 (16–40) 62 RTS, Mod-Cincinnati, Stanmore-Bentley
Viste et al. [36] Orthopaedics & Traumatology: Surgery & Research 2012 IV 14 7 M, 7 F 37.7 (30–45) 72 RTS, IKDC, Brittberg-Peterson,
Zaffagnini et al. [37] Knee Surgery Sports Traumatology & Arthroscopy 2019 IV 31 31 M 22.6 (NR) 120 RTS, IKDC, Tegner
Zak et al. [38] American Journal of Sports Medicine 2012 IV 70 51 M, 19 F 34.9 (18–55) 60 RTS, KOOS, Noyes, Tegner
  1. LOE level of evidence, NR not reported, M male, F female, No number, RTS return to sport, KOOS knee injury and osteoarthritis outcome score, SF-36 short-form-36 health survey questionnaire, SF-12 short-form-12 health survey questionnaire, IKDC international knee documentation committee, ICRS international cartilage repair society, EQ-VAS EuroQuol visual analogue scale, WOMAC western Ontario and McMaster universities osteoarthritis index, HSS hospital for special surgery, Mod modified