Table 4 Subgroup analysis of Cox proportional hazard model.

From: Hydroxychloroquine is neutral on incidental cataracts in patients with rheumatoid arthritis

 

Hydroxychloroquine

Non-Hydroxychloroquine

HR (95% C.I.)

N

No. of Cataract

N

No. of Cataract

Age†

 20–65

425

76

432

64

1.35 (0.96–1.90)

 ≥ 65

40

17

33

16

0.71 (0.31–1.63)

Gender‡

 Female

294

60

300

44

1.44 (0.97–2.15)

 Male

171

33

165

36

0.87 (0.53–1.44)

Corticosteroids

 No

82

17

82

15

1.32 (0.62–2.79)

 Yes

383

76

383

65

1.20 (0.85–1.68)

  1. †Adjusted for age, gender, hypertension, hyperlipidemia, chronic liver disease, chronic kidney disease, COPD, Diabetes, methotrexate, biologics, ophthalmology, and corticosteroids.
  2. ‡Adjusted for age, gender, hypertension, hyperlipidemia, chronic liver disease, COPD, Diabetes, methotrexate, biologics, ophthalmology, and corticosteroids.
  3. Adjusted for age, gender, hypertension, hyperlipidemia, chronic liver disease, diabetes, methotrexate, and ophthalmology.
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