Skip to main content

Table 4 Patient Reported Outcomes with one year follow up. Calculated per protocol

From: No added value for Computer-Assisted surgery to improve femoral component positioning and Patient Reported Outcomes in Hip Resurfacing Arthroplasty; a multi-center randomized controlled trial

 

Baseline

Six weeks

Three months

One year

P-value (LMM)

CAS

Conventional

CAS

Conventional

CAS

Conventional

CAS

Conventional

 

VAS

 

5.7 (1.9)

5.4 (2.0)

1.3 (2.0)

1.3 (1.8)

0.8 (1.3)

0.8 (1.3)

0.4 (1.0)

0.5 (1.2)

0.688

HOOS

Pain

38.4 (13.0)

40.5 (15.4)

81.1 (15.5)

79.2 (13.3)

87.0 (15.6)

86.5 (14.7)

91.1 (11.2)

88.0 (16.7)

0.432

Other symptoms

35.0 (14.4)

35.7 (14.2)

67.2 (16.7)

69.0 (15.5)

72.5 (16.1)

72.2 (16.1)

74.5 (18.0)

75.9 (19.6)

0.914

Activities of daily living

38.2 (14.9) *

42.7 (16.4) *

72.8 (17.3)

71.2 (13.5)

83.2 (17.6)

82.2 (15.2)

89.6 (11.7)

87.3 (16.3)

0.333

Sport

16.6 (14.0) **

22.8 (18.3) **

53.6 (29.2)

46.2 (25.6)

69.9 (26.0)

65.8 (25.6)

73.8 (24.2)

76.6 (23.2)

0.444

Hip-related QoL

21.7 (12.3)

24.5 (11.7)

51.9 (16.1)

48.4 (16.7)

66.5 (20.2)

59.6 (17.9)

71.9 (14.6)

69.0 (20.9)

0.309

HHS

Total

57.1 (10.6)

60.6 (10.6)

79.1 (16.6)

80.2 (11.5)

91.0 (12.8)

93.7 (8.7)

96.3 (7.1)

97.8 (4.0)

0.537

  1. CAS Computer-Assisted-Surgery, LMM linear mixed-model, VAS visual analogue scale. HOOS=Hip disability and Osteoarthritis Outcome Scale (HOOS). HHS=Harris Hip Score. All data are presented as means (SD). * significant difference (p = 0.028). ** significant difference (p = 0.021)