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Table 4 Factors associated with the presence of class D and/or X pDDIs

From: Potential drug–drug interactions in patients with cardiovascular diseases: findings from a prospective observational study

Variables

pDDIs (D and/or X)

Univariate analysis

Multivariate analysis

No. (%)

OR (95%CI)

p-value

OR (95%CI)

p-value

Gender

     

 Female

102 (77.3)

Referent

 

 Male

138 (82.1)

1.353 (0.767–2.385)

0.296

Age (years)

     

 < 60

147 (80.2)

Referent

 

 ≥ 60

93 (79.5)

0.949 (0.532–1.692)

0.859

Hospital

     

 BMCH

123 (82.0)

Referent

 

 SPH

117 (78.0)

0.737 (0.432–1.418)

0.237

Residence

     

 Rural

117 (83.0)

Referent

 

 Urban

123 (77.4)

0.701 (0.394–1.246)

0.226

Nationality

     

 Pakistani

210 (78.7)

Referent

 

Referent

 

 Afghan

30 (90.9)

2.714 (0.799–9.216)

0.109

2.337 (0.604–9.042)

0.219

Smoking

     

 Non-smokers

135 (76.3)

Referent

 

Referent

 

 Ex-smokers

21 (87.5)

2.178 (0.619–1.755)

0.225

2.435 (0.618–9.591)

0.203

 Active smokers

84 (84.8)

1.742 (0.910–3.335)

0.094

1.757 (0.831–3.714)

0.14

Type of CVD

     

 STEMI + NSTEMI

150 (96.2)

Referent

 

Referent

 

 Others

90 (62.5)

0.067 (0.028–0.161)

 < 0.001

0.053 (0.021–0.132)

 < 0.001

Comorbidity

     

 No

96 (80.0)

Referent

 

 Yes

144 (80.0)

1.000 (0.561–1.782)

1

Number of comorbidities

     

 0

96 (80.0)

Referent

 

 1

78 (81.3)

1.083 (0.549–2.139)

0.818

 2

51 (77.3)

0.850 (0.410–1.762)

0.662

 3

15 (83.3)

1.250 (0.335–4.669)

0.74

Hypertension

     

 No

145 (78.8)

Referent

 

 Yes

95 (81.9)

1.217 (0.674–2.195)

0.515

Diabetes mellitus

     

 No

177 (79.7)

Referent

 

 Yes

63 (52.6)

1.068 (0.557–2.048)

0.844

Anemia

     

 No

224 (80.6)

Referent

 

 Yes

16 (72.7)

0.643 (0.240–1.720)

0.379

Other comorbidities

     

 No

207 (81.2)

Referent

 

 Yes

33 (73.3)

0.638 (0.307–1.325)

0.228

Length of hospital stay (days)

     

 ≤ 3

120 (81.6)

Referent

 

 04-Jul

96 (76.2)

0.720 (0.401–1.293)

0.271

 > 7

24 (88.9)

1.800 (0.505–6.414)

0.365

Number of drugs prescribed

     

 6–9

105 (77.8)

Referent

 

Referent

 

 10–12

90 (78.9)

1.071 (0.584–1.964)

0.823

1.674 (0.818–3.427)

0.159

 > 12

45 (88.2)

2.143 (0.834–5.505)

0.113

4.187 (1.427–12.285)

0.009

  1. CI confidence interval; CVD cardiovascular disease; NSTEMI non-ST elevated myocardial infarction, pDDI potential drug–drug interaction; OR odds ratio; STEMI ST-elevated myocardial infarction