Table 5.

Subgroup Analyses by Sex and Recent Corticosteroid Use

Subgroup	Incidence Rate Ratio (95% CI)
Subgroup	First- and Second-Generation Fluoroquinolones	Third-Generation Fluoroquinolones	Nonfluoroquinolones
Sex
Male	2.94 (1.67-5.18)	0.63 (0.09-4.60)	1.06 (0.71-1.59)
Female	2.86 (1.45-5.66)	1.67 (0.39-7.06)	1.14 (0.71-1.83)
Recent corticosteroid use^{^a}
Yes	8.34 (2.27-30.67)	6.30 (0.61-64.81)	0.92 (0.27-3.12)
No	2.52 (1.32-4.81)	0.00 (0.0 to ∞)	1.07 (0.70-1.64)