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Table 3 Occurrence of VTE within 90 days or more than 90 days after admission for immune-mediated disease.

From: Risk of venous thromboembolism in people admitted to hospital with selected immune-mediated diseases: record-linkage study

Exposure, time between exposure and VTE (days)

ORLS1

ORLS2

England

 

Obs

Exp

RR1 (95% CI)

Obs

Exp

RR1 (95% CI)

Obs

Exp

RR1 (95% CI)

MS 0 to 90

10

8.1

1.25 (0.59 to 2.31)

17

6.7

2.64 (1.51 to 4.33)

212

112

1.95 (1.69 to 2.24)

91+

96

43.7

2.23 (1.80 to 2.74)

71

30.1

2.45 (1.90 to 3.13)

1297

619

2.17 (2.05 to 2.30)

Myxoedema 0 to 90

38

39.8

0.95 (0.66 to 1.32)

126

95.9

1.48 (1.18 to 1.85)

2617

2058

1.48 (1.41 to 1.56)

91+

160

107

1.52 (1.29 to 1.79)

305

245

1.32 (1.16 to 1.51)

8487

7237

1.26 (1.22 to 1.29)

Psoriasis 0 to 90

12

11.6

1.04 (0.53 to 1.83)

15

6.5

2.41 (1.33 to 4.06)

226

134

1.73 (1.51 to 1.98)

91+

87

54.2

1.62 (1.29 to 2.00)

38

26.5

1.45 (1.02 to 2.01)

1092

679

1.64 (1.54 to 1.75)

Rheumatoid arthritis: 0 to 90

52

61.7

0.83 (0.61 to 1.10)

50

37.0

1.43 (1.03 to 1.95)

1122

730

1.71 (1.60 to 1.83)

91+

395

279.8

1.46 (1.31 to 1.62)

231

156

1.60 (1.38 to 1.85)

5703

3626

1.75 (1.70 to 1.81)

SLE 0 to 90

5

1.4

3.64 (1.18 to 8.56)

6

1.8

3.41 (1.24 to 7.75)

111

27.4

4.15 (3.40 to 5.01)

91+

21

6.5

3.25 (2.01 to 4.98)

29

5.9

5.03 (3.35 to 7.27)

525

148

3.61 (3.31 to 3.94)

  1. 1 Adjusted for sex, age in five-year bands, time-period in single calendar years and district of residence in the ORLS datasets; and for sex, age in five-year bands, time-period in single calendar years, region of residence and deprivation score associated with patients' area of residence, in quintiles, in the England dataset.