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Table 1 Characteristics of the study cohort by joint

From: Complications to 6 months following total hip or knee arthroplasty: observations from an Australian clinical outcomes registry

 

Hip

N = 2782

Knee

N = 5662

Demographics

 Age, mean (SD)

67.1 (11.5)

68.7 (9)

 Male

1262 (45.4)

2157 (38.1)

Comorbidities

 BMI, mean (SD)

30.4 (6.2)

33.2 (6.7)

 Heart disease

923 (33.2)

2170 (38.3)

 Hypertension

1425 (51.2)

3435 (60.7)

 Diabetes

439 (15.8)

1292 (22.8)

 Stomach

488 (17.5)

1230 (21.7)

 Lung

416 (15)

914 (16.1)

 Kidney

153 (5.5)

315 (5.6)

 Liver

58 (2.1)

135 (2.4)

 Neurological

147 (5.3)

274 (4.8)

 Anxiety/depression

497 (17.9)

1006 (17.8)

 Low back pain

1129 (40.6)

1861 (32.9)

 Other lower limb arthritis

864 (31.1)

1672 (29.5)

Prior joint replacement

 Previous knee arthroplasty

296 (10.6)

1272 (22.5)

 Previous hip arthroplasty

547 (19.7)

315 (5.6)

Patient-reported outcomes

 EQ-VAS (Baseline), mean (SD)

61.5 (22.9)

65.9 (20.9)

 EQ-VAS (6 months), mean (SD)

77.5 (17.8)

76.1 (17.4)

 OHS or OKS (Baseline), mean (SD)

15.8 (8.2)

18.6 (8.2)

 OHS or OKS (6 months), mean (SD)

42.6 (7.2)

38.4 (8)

  1. Abbreviations: SD standard deviation, EQ-VAS EuroQoL Visual Analog Scale, minimum score 0 (worst) maximum 100 (best), OHS Oxford Hip Score, minimum score 0 (worst), maximum 48 (best); OKS Oxford Knee Score, minimum score 0 (worst), maximum 48 (best)