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Table 4 Odds ratios (OR) and risk differences (RD) with 95% confidence intervals (CI) for complications after knee arthroscopy compared to reference persons. Results are from a logistic regression model, crude (unadjusted) or adjusted for age, sex and education level

From: Update on the risks of complications after knee arthroscopy

 

Main analysisa

Sensitivity analysisb

Crude

Adjusted

Crude

Adjusted

OR (95%CI)

OR (95%CI)

RD (95%CI), %

OR (95%CI)

OR (95%CI)

RD (95%CI), %

Any complication

7.3 (6.3,8.4)

9.4 (8.1, 10.9)

1.35 (1.14, 1.56)

5.0 (3.9, 6.4)

4.9 (3.8, 6.4)

0.95 (0.76, 1.15)

Pyogenic arthritis

127 (85, 191)

115 (75, 174)

0.37 (0.27, 0.47)

13.8 (7.6, 25.1)

10.3 (5.6, 19.0)

0.30 (0.21, 0.39)

VTEc

4.8 (3.6, 6.4)

6.8 (5.1, 9.1)

0.37 (0.25, 0.49)

2.0 (1.4, 3.0)

2.3 (1.5, 3.5)

0.17 (0.07, 1.30)

Other

6.4 (5.2, 7.8)

7.7 (6.3, 9.5)

0.61 (0.47, 0.60)

7.8 (5.3, 11.6)

7.9 (5.2, 11.9)

0.54 (0.40, 0.68)

  1. aknee arthroscopy compared to general population
  2. bknee arthroscopy compared to persons consulting for knee problems
  3. cvenous thrombotic event