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Table 3 showed mean change in KOOS scores between GR and MR group at 6 and 12 months from baseline

From: Clinical advantages of gradually reducing radius versus multi-radius total knee arthroplasty: a noninferiority randomized trial

Mean change in KOOS score

GR TKAs (95%CI)

MR TKAs (95%CI)

P-Value

Symptom

 Preoperative – Postoperative 6 months

51.53 ± 13.50

(46.48–56.57)

52.56 ± 14.88

(47.00–58.11)

0.78

 Preoperative – Postoperative 12 months

56.96 ± 11.12

(52.8–61.1)

57.50 ± 115.84

(51.58–63.41)

0.88

Pain

 Preoperative – Postoperative 6 months

48.37 ± 13.67

(43.26–53.47)

47.05 ± 15.45

(41.27–52.81)

0.73

 Preoperative – Postoperative 12 months

51.25 ± 12.04

(46.75–55.74)

50.10 ± 13.54

(45.0–55.15)

0.73

Activities of daily living

 Preoperative – Postoperative 6 months

38.36 ± 14.39

(32.98–43.73)

40.00 ± 15.88

(34.07–45.93)

0.67

 Preoperative – Postoperative 12 months

43.01 ± 13.50

(37.96–48.05)

43.14 ± 15.20

(37.46–48.81)

0.97

Sport/Recreation

 Preoperative – Postoperative 6 months

47.17 ± 13.04

(42.29–52.04)

48 ± 11.72

(43.62–52.37)

0.79

 Preoperative – Postoperative 12 months

57 ± 11.64

(52.65–61.35)

57.67 ± 8.68

(54.42–60.90)

0.80

Quality of life

 Preoperative – Postoperative 6 months

65.21 ± 11.69

(60.84–69.57)

66.88 ± 12.19

(62.32–71.42)

0.59

 Preoperative – Postoperative 12 months

74.58 ± 10.37

(70.71–78.45)

74.17 ± 9.10

(70.77–77.56)

0.87