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Table 4 Clinical outcomes between MRI- versus CT-based PSI after total knee arthroplasty

From: MRI-based or CT-based patient-specific instrumentation in Total knee Arthroplasty: How do the two systems compare?

Parameter

MRI group (N = 36)

CT group (N = 35)

P Value

Knee Society knee score

 preoperative

44.3 ± 18.6

42.8 ± 16.1

0.725

 2-year follow-up

92.7 ± 10.7

92.2 ± 11.8

0.815

Knee Society function score

 preoperative

48.7 ± 10.8

46.9 ± 10.4

0.614

 2-year follow-up

91.9 ± 15.8

89.7 ± 12.9

0.586

SF-36 (physical function)

 preoperative

30.9 ± 9.7

37.2 ± 8.8

0.436

 2-year follow-up

47.5 ± 8.5

47.2 ± 8.5

0.539

SF-36 (mental health)

 preoperative

48.2 ± 4.6

50.7 ± 5.3

0.487

 2-year follow-up

56.5 ± 10.1

60.8 ± 11.9

0.639