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Table 1 The detailed baseline characteristics information

From: Sensor-guided gap balance versus manual gap balance in primary total knee arthroplasty: a meta-analysis

Author/year Sensor guided/manual Outcome
Patients Knees Mean age(years) Female gender(%) BMI
Chow (2017) 57/57 57/57 67.6/66.1 52.6/59.65 29.5/29.4 9
Cochetti (2020) 50/50 50/50 67.7/67.3 2/6 34.4/34.7 1, 3, 5, 6, 8,9
Elmalah (2016) 10/12 10/12 64/66 NA 32/34 8
Geller (2017) 252/690 252/690 69/67 79/75 31/32 5, 6, 9
Keggi (2021)       
Livemore (2020) 74/194 74/194 69/65 54.1/57 31/29 4, 5, 9, 10
MacDessi (2020) 215/194 215/194 67.8/66.8 67.1/57 29.8/30 4, 8, 9, 10
Song (2018) 50/50 50/50 72.1/73 90/80 26/26.3 1, 2, 5, 7, 8
Wood (2020) 76/76 76/76 67.1/66.7 52.6/56.6 32.3/33.8 1, 3, 5, 8, 9,10
Xia (2019) 20/20 20/20 64.3/64.2 35/70 26.5/25.9 1, 2, 6, 7
  1. BMI, Body Mass Index; TKA, total knee arthroplasty; KSS, Knee Society Score; KSFS, Knee Society Function Score; OKS, Oxford Knee Assessment; KOSS, Knee Injury and Osteoarthritis Score; MUA, manipulation under anesthesia
  2. The detailed baseline characteristics information including the number of patients, TKAs, age, gender, BMI, outcome of two groups
  3. 1, KSS; 2, KSS function; 3, OKS; 4, KOOS; 5, ROM; 6, Operative time;7, Mechanical axis;8, Intraoperative additional procedures; 9, Rate of MUA;10, Rate of reoperation