Table 5

Proportion of patients reporting complications by operation

Operation

NHS

ISTC

Adjusted odds ratio

95% CI

P-value


N (%)

N (%)


Cataract

Bleeding

17 (3.4)

5 (2.2)

0.74

0.37 to 1.5

0.4

Wound infection

18 (3.6)

2 (0.9)

0.13

0.02 to 1.0

0.05

Urinary problems

12 (2.4)

1 (0.4)

0.26

0.03 to 2.5

0.2

Adverse drug reaction

19 (3.8)

4 (1.7)

0.53

0.19 to 1.5

0.2

Hernia repair

Bleeding

19 (5.9)

2 (4.2)

0.80

0.35 to 1.8

0.6

Wound infection

35 (10.8)

4 (8.3)

0.58

0.33 to 1.0

0.06

Urinary problems

20 (6.2)

3 (6.2)

0.82

0.43 to 1.5

0.5

Adverse drug reaction

21 (6.5)

1 (2.1)

0.16

0.10 to 0.27

<0.001

Varicose vein surgery

Bleeding

51 (25.5)

8 (22.2)

0.71

0.30 to 1.7

0.4

Wound infection

50 (25.0)

9 (25.0)

1.2

0.74 to 2.0

0.4

Urinary problems

7 (3.5)

1 (2.8)

1.2

0.46 to 3.3

0.7

Adverse drug reaction

10 (5.0)

0 (0)

1.0

0.94 to 1.0

0.7

Hip replacment

Bleeding

27 (10.5)

10 (7.1)

0.88

0.47 to 1.7

0.7

Wound infection

27 (10.5)

15 (10.6)

1.2

0.58 to 2.6

0.6

Urinary problems

33 (12.8)

12 (8.5)

0.67

0.35 to 1.3

0.2

Adverse drug reaction

29 (11.3)

15 (10.6)

0.84

0.39 to 1.8

0.6

Knee replacement

Bleeding

25 (8.8)

7 (4.4)

0.45

0.14 to 1.4

0.2

Wound infection

42 (14.8)

14 (8.8)

0.50

0.28 to 0.90

0.02

Urinary problems

42 (14.8)

13 (8.2)

0.51

0.29 to 0.88

0.02

Adverse drug reaction

39 (13.8)

16 (10.1)

0.65

0.43 to 0.97

0.04


Browne et al. BMC Health Services Research 2008 8:78   doi:10.1186/1472-6963-8-78

Open Data