Serious infection incidence rates in pediatric systemic lupus erythematosus according to medication use

Table 1

	Systemic lupus erythematosus		Lupus nephritis
	Unadjusted IRR (95%CI)	MV-adjusted^a IRR (95% CI)	Unadjusted IRR (95%CI)	MV-adjusted^a IRR (95% CI)
HCQ	Reference	Reference	Reference	Reference
CS	5.25 (4.07, 6.78)	3.58 (2.79, 4.59)	2.13 (1.51, 3.01)	1.90 (1.36, 2.67)
IS	2.58 (1.86, 3.58)	2.46 (1.80, 3.37)	1.28 (0.80, 2.05)	1.12 (0.70, 1.78)
CS+IS	2.90 (2.03, 4.14)	1.99 (1.41, 2.80)	NR	NR

NR, not reported in accordance with CMS policy. ^aMultivariable adjusted models included age, sex, race/ethnicity, US residential region, area-level SES, SLE severity index.

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