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Table 2 Crude and adjusted odds ratios for the association between variables and the risk of Pneumocystis Pneumonia

From: Hydroxychloroquine may reduce risk of Pneumocystis pneumonia in lupus patients: a Nationwide, population-based case-control study

 

Univariable analysis

Multivariable analysis

Forced entering

Stepwise selection

OR (95% CI)

P-value

OR (95% CI)

P-value

OR (95% CI)

P-value

Disease duration, incremental year

0.94 (0.88–1.01)

0.10

1.10 (0.92–1.32)

0.31

  

CCI without moderate to severe renal disease

1.65 (1.23–2.22)

< 0.01

1.51 (0.91–2.49)

0.12

  

Moderate to severe renal disease

4.97 (2.62–9.42)

< 0.01

7.61 (1.80–32.16)

< 0.01

6.73 (1.98–22.92)

< 0.01

Trimethoprim-sulfamethaxazole

< 0.001 (< 0.001–> 999)

0.99

< 0.001 (< 0.001–> 999)

0.99

  

Glucocorticoidsa

  ≤ 5 mg/day

Ref.

 

Ref.

 

Ref.

 

 5–10 mg/day

8.76 (1.75–43.81)

< 0.01

23.73 (2.18–258.63)

< 0.01

25.88 (2.97–225.33)

< 0.01

  > 10 mg/day

90.63 (20.54–399.95)

< 0.01

997.90 (51.32–> 999)

< 0.01

286.58 (28.58–> 999)

< 0.01

Hydroxychloroquine cumulative dose

 None

Ref.

 

Ref.

 

Ref.

 

  ≤ 14 gb

0.56 (0.28–1.14)

0.11

0.56 (0.14–2.26)

0.41

0.69 (0.21–2.24)

0.54

  > 14 gb

0.45 (0.21–0.97)

0.04

0.12 (0.02–0.63)

0.01

0.20 (0.05–0.71)

0.01

 Sulfasalazine

0.85 (0.10–7.20)

0.88

0.08 (0.00–4.71)

0.22

  

Cyclophosphamide cumulative dose

  None

Ref.

 

Ref.

 

Ref.

 

   ≤ 1.4 gb

3.18 (1.17–8.62)

0.02

0.42 (0.08–2.15)

0.30

0.64 (0.14–3.01)

0.58

   > 1.4 gb

21.87 (6.00–79.81)

< 0.01

12.01 (1.42–101.58)

0.02

11.52 (1.97–67.39)

< 0.01

 Methotrexate / Leflunomide

0.79 (0.17–3.62)

0.76

0.29 (0.01–7.94)

0.47

  

 Mycophenolate mofetil/mycophenolic acid

34.11 (7.65–152.19)

< 0.01

38.07 (0.88–> 999)

0.06

50.79 (5.32–484.77)

< 0.01

 Cyclosporine

5.03 (2.12–11.92)

< 0.01

3.83 (0.64–23.05)

0.14

  

 Azathioprine

1.02 (0.53–1.96)

0.96

0.57 (0.15–2.26)

0.43

  

 AIC

  

85

 

82

 
  1. Adjusted for age and gender. aPrednisolone equivalent. bMedian cumulative dose. AIC, Akaike information criterion