Table 7 Adjusted odds ratios for major and minor complications to 6 months, by joint

 Age, mean (SD)

1.01 (0.99–1.02)

1.00 (0.99–1.01)

1.00 (0.99–1.01)

0.99 (0.98–1.00)

 Female

1.23 (0.94–1.61)

0.93 (0.79–1.09)

1.34 (1.13–1.58)

0.85 (0.76–0.95)

 BMI (kg/m²)

1.03 (1.01–1.05)

1.01 (1.00–1.02)

1.00 (0.99–1.01)

1.00 (0.99–1.06)

 Heart disease

1.21 (0.90–1.61)

0.95 (0.81–1.12)

1.17 (0.98–1.41)

1.38 (1.23–1.55)

 Hypertension

0.98 (0.74–1.30)

0.93 (0.79–1.09)

0.95 (0.80–1.14)

0.94 (0.84–1.06)

 Diabetes

1.10 (0.78–1.56)

1.04 (0.86–1.25)

1.16 (0.92–1.45)

0.93 (0.81–1.06)

 Stomach

0.74 (0.51–1.07)

1.11 (0.92–1.33)

0.96 (0.77–1.19)

1.01 (0.88–1.15)

 Lung

1.32 (0.94–1.85)

1.20 (0.98–1.46)

1.23 (0.98–1.53)

1.08 (0.94–1.26)

 Kidney

1.03 (0.60–1.79)

1.12 (0.82–1.53)

1.07 (0.75–1.52)

1.08 (0.86–1.39)

 Liver

0.90 (0.34–2.33)

1.07 (0.67–1.71)

0.53 (0.28–0.99)

0.98 (0.69–1.39)

 Neurological

0.93 (0.52–1.66)

1.13 (0.80–1.58)

1.14 (0.80–1.62)

1.28 (1.00–1.64)

 Anxiety/depression

1.05 (0.74–1.48)

1.06 (0.87–1.29)

1.09 (0.88–1.35)

1.13 (0.98–1.31)

 Low back pain

1.36 (1.02–1.80)

1.34 (1.14–1.59)

1.16 (0.97–1.38)

1.34 (1.19–1.52)

 Other lower limb arthritis

0.80 (0.59–1.08)

1.02 (0.86–1.21)

1.29 (1.08–1.55)

1.28 (1.13–1.45)

 Previous knee arthroplasty

1.14 (0.77–1.70)

0.83 (0.69–1.00)

1.23 (0.95–1.60)

0.79 (0.69–0.90)

 Previous hip arthroplasty

1.29 (0.95–1.75)

1.18 (0.87–1.62)

0.98 (0.80–1.20)

0.84 (0.66–1.06)

 Bilateral surgery

0.84 (0.25–2.77)

0.72 (0.51–1.02)

1.69 (0.90–3.16)

1.15 (0.92–1.44)