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Table 3 Risk of specific AEs with free combination therapy compared with dutasteride or tamsulosin monotherapy

From: Free combination of dutasteride plus tamsulosin for the treatment of benign prostatic hyperplasia in South Korea: analysis of drug utilization and adverse events using the National Health Insurance Review and Assessment Service database

  

Free combination therapy versus dutasteride monotherapy

Free combination therapy versus tamsulosin monotherapy

Free combination of dutasteride plus tamsulosin therapy (n = 1529)

Dutasteride monotherapy (n = 6600)

Adjusted RR (95% CI)*

Tamsulosin monotherapy (n = 6566)

Adjusted RR (95% CI)*

Specific AE, n (%)

 Constipation

401 (26.2)

1271 (19.1)

1.31 (1.17, 1.45)

1595 (24.3)

1.05 (0.94, 1.16)

 Depressed mood

219 (14.3)

794 (11.9)

1.05 (0.90, 1.22)

1025 (15.6)

0.91 (0.78, 1.05)

 Urticaria

216 (14.1)

828 (12.4)

1.02 (0.87, 1.18)

1024 (15.6)

0.89 (0.76,1.03)

 Dizziness

202 (13.2)

833 (12.5)

1.01 (0.87, 1.19)

889 (13.5)

0.98 (0.84, 1.14)

 Arrhythmia

188 (12.3)

608 (9.1)

1.33 (1.13, 1.57)

638 (9.7)

1.24 (1.05, 1.46)

 Vertigo

176 (11.5)

643 (9.7)

1.20 (1.01, 1.42)

735 (11.2)

1.05 (0.89, 1.24)

 Diarrhea

166 (10.9)

702 (10.5)

0.99 (0.83, 1.17)

765 (11.7)

0.94 (0.80, 1.12)

 Pruritus

146 (9.5)

624 (9.4)

0.98 (0.81, 1.18)

757 (11.5)

0.83 (0.69, 1.00)

 Cardiac failure

137 (9.0)

400 (6.0)

1.37 (1.12, 1.68)

442 (6.7)

1.23 (1.01, 1.49)

 Vomiting

117 (7.7)

374 (5.6)

1.29 (1.03, 1.62)

513 (7.8)

0.99 (0.80, 1.22)

 Rhinitis

103 (6.7)

422 (6.3)

1.11 (0.89, 1.39)

454 (6.9)

0.97 (0.78, 1.22)

 Dyspnea

74 (4.8)

266 (4.0)

1.10 (0.84, 1.44)

288 (4.4)

1.00 (0.77, 1.30)

 Asthenia

51 (3.3)

196 (2.9)

1.06 (0.77, 1.47)

204 (3.1)

1.06 (0.75, 1.50)

 Localized edema

30 (2.0)

130 (2.0)

0.84 (0.55, 1.29)

149 (2.3)

0.80 (0.52, 1.21)

 Impotence

21 (1.4)

88 (1.3)

1.15 (0.69, 1.93)

108 (1.6)

1.09 (0.66, 1.79)

 Epistaxis

19 (1.2)

84 (1.3)

1.10 (0.65, 1.87)

87 (1.3)

1.08 (0.60, 1.95)

 Syncope orthostatic

13 (0.9)

62 (0.9)

0.83 (0.45, 1.53)

70 (1.1)

0.74 (0.41, 1.34)

 Hypotension

11 (0.7)

35 (0.5)

1.34 (0.67, 2.70)

34 (0.5)

1.24 (0.62, 2.46)

 Rash

9 (0.6)

22 (0.3)

1.45 (0.65, 3.26)

23 (0.4)

1.33 (0.57, 3.09)

 Alopecia

5 (0.3)

34 (0.5)

0.87 (0.33, 2.28)

28 (0.4)

1.09 (0.41, 2.91)

 Breast disorder

5 (0.3)

25 (0.4)

1.12 (0.39, 3.19)

18 (0.3)

1.53 (0.47, 4.99)

 Dry mouth

5 (0.3)

17 (0.3)

0.98 (0.34, 2.83)

23 (0.4)

0.83 (0.30, 2.31)

 Visual impairment

2 (0.1)

16 (0.2)

0.44 (0.10, 1.97)

17 (0.3)

0.41 (0.10, 1.79)

 Other specified disorders of male genital organ

1 (0.1)

8 (0.1)

0.92 (0.12, 7.37)

10 (0.2)

0.54 (0.07, 4.25)

 Vision blurred

0 (0.0)

5 (0.1)

7 (0.1)

 Angioedema

0 (0.0)

4 (0.1)

2 (0.0)

 Erythema multiforme

0 (0.0)

2 (0.0)

4 (0.1)

 Premature ejaculation

0 (0.0)

2 (0.0)

1 (0.0)

 Breast cancer

0 (0.0)

1 (0.0)

1 (0.0)

 Hypertrichosis

0 (0.0)

1 (0.0)

0 (0.0)

 Loss of libido

0 (0.0)

1 (0.0)

0 (0.0)

 Dermatitis exfoliative

0 (0.0)

0 (0.0)

3 (0.0)

 Priapism

0 (0.0)

0 (0.0)

1 (0.0)

  1. AE, adverse event; CI, confidence interval; RR, risk ratio.*RRs of any or specific AEs among patients receiving free combination therapy compared to each monotherapy were estimated using log-binomial regression models adjusted for inverse probability of treatment weights. A robust variance estimator was used to derive the 95% CIs