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Table 4 Multiple logistic regression estimates of ARB and ACE inhibitor mono-therapy prescription characteristics for newly-diagnosed uncomplicated hypertension patients, 1998–2004*

From: Antihypertensive medication prescription patterns and time trends for newly-diagnosed uncomplicated hypertension patients in Taiwan

Variables

ARBs

ACE inhibitors

 

OR

95% CI

OR

95% CI

Patient gender

    

   Female (reference)

1.00

-

1.00

-

   Male

0.99

0.94–1.05

1.07

1.03–1.11

Patient age (years)

    

   30–54 (reference)

1.00

-

1.00

-

   ≥55

0.74

0.70–0.78

0.75

0.72–0.78

Geographical region

    

   Northwest (reference)

1.00

-

1.00

-

   Midwest

0.74

0.68–0.80

0.98

0.93–1.02

   Southwest

0.67

0.62–0.72

0.86

0.82–0.90

   Eastern

1.34

1.19–1.52

1.39

1.29–1.49

   Offshore islands

2.78

2.21–3.49

0.45

0.35–0.57

Type of clinical facility

    

   Primary care clinics (reference)

1.00

-

1.00

-

   Local hospitals

2.17

1.98–2.38

0.43

0.41–0.45

   Regional hospitals

3.55

3.26–3.87

0.52

0.49–0.55

   Medical centers

5.77

5.32–6.25

0.63

0.60–0.66

Time elapsed since initial therapy

    

   1 year or less (reference)

1.00

-

1.00

-

   2–3 years

1.00

0.92–1.09

0.93

0.89–0.97

   4–7 years

1.12

1.03–1.21

0.95

0.90–1.00

Comorbidity after hypertension

    

   Diabetes mellitus

1.55

1.42–1.68

1.36

1.28–1.44

   Ischemic heart disease

1.10

1.02–1.19

0.78

0.73–0.82

   Stroke

1.02

0.93–1.11

0.98

0.91–1.05

   Chronic renal disease

1.07

0.94–1.22

0.92

0.83–1.02

Calendar years

    

   1998–2000 (reference)

1.00

-

1.00

-

   2001–2002

2.35

2.12–2.62

0.87

0.83–0.91

   2003–2004

4.45

4.01–4.94

0.79

0.75–0.83

  1. Notes:
  2. * The odds ratio (OR) for each variable was adjusted for all other variables listed in the table.
  3. The reference group is subjects with no corresponding comorbidity for each category after hypertension.