Table 1 Demographic and general data before matching.

From: Pain management of unicompartmental (UKA) vs. total knee arthroplasty (TKA) based on a matched pair analysis of 4144 cases

 

TKA

UKA

ALL

Patients total (%)

3798 (64.2%)

2117 (35.8%)

5915 (100%)

Age in years (median, mean ± SD)

65, 67.6 ± 9.9

65, 65.3 ± 10.5

65, 66.7 ± 10.2

Sex in % (female:male)

61.1:38.9

55.4:44.6

59.1:40.9

ASA score [median, mean ± SD]

2, 2.3 ± 0.57

2, 2.17 ± 0.55

2, 2.26 ± 0.57

Operation time in minutes (median, mean ± SD)

70, 75 ± 28

78, 81 ± 36

72, 77 ± 31

Pain before surgery NRS (median, mean ± SD)

7.0, 6.5 ± 1.9

6.0, 6.4 ± 1.8

7.0, 6.5 ± 1.9

Anesthetic technique used (general : regional : combination) (%)

12.0 : 17.7 : 57.2

10.1 : 15.3 : 63.2

11.3 : 16.8 : 59.3

  1. ASA—American Society of Anesthesiologists; UKA – unicompartmental knee arthroplasty, TKA – total knee arthroplasty; NRS—numeric rating scale; SD—standard deviation.
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