TABLE 3.

Annualized All-Cause and AD-Related Costs Among Switchers vs Nonswitchers Incurred During Follow-Up Period

	Switchers (n = 466)	Nonswitchers (n = 7,597)	Difference
All-cause costs
Medical costs, mean (95% CI)	$13,983 ($10,184-$19,426)	$12,497 ($11,939-$13,796)	$ 1,486 ($-2,956-$5,929) P = 0.51
Drug costs, mean (95% CI)	$64,892 ($62,188-$67,597)	$54,971 ($54,318-$55,625)	$9,921 ($7,139-$12,703) P < 0.01
Total health care costs, mean (95% CI)	$78,876 ($73,822-$83,929)	$67,468 ($66,283-$68,654)	$11,408 ($6,217-$16,597) P < 0.01
AD-related costs
Medical costs, mean (95% CI)	$630 ($561-$700)	$299 ($274-$324)	$331 ($257-$405) P < 0.01
Drug costs, mean (95% CI)	$59,246 ($56,865-$61,626)	$51,027 ($50,471-$51,584)	$8,219 ($5,774-$10,662) P < 0.01
Total health care costs, mean (95% CI)	$59,876 ($57,495-$62,257)	$51,327 ($50,769-$51,885)	$8,549 ($6,104-$10,995) P < 0.01

Unadjusted results tested using independent 2-sided t-tests.

AD = atopic dermatitis.