Severe acute respiratory infection risk following glucocorticosteroid treatment in uncomplicated influenza-like illness resulting from pH1N1 influenza infection: a case control study

Table 6 The comparison of glucocorticosteroids treatment at different time periods, between 19 critical cases and 31non- critical cases

Glucocorticosteroids^b	Number exposed		Percent exposed		Matched odds ratio^a (95%CI)
Glucocorticosteroids^b	Critical case (N = 19)	Non-critical cases (N = 31)	Critical case	Non-critical case	Matched odds ratio^a (95%CI)
before sARI onset	11	6	57.9	19.4	5.7(1.6–20.2)
before sARI onset and during sARI and critical	7	2	36.8	6.5	8.3(1.6–44.4)
Only during sARI and critical	4	6	21.1	19.4	1.1(0.3–4.6)

^aOdds Ratio is matched by underlying disease, ^bdexamethasone or methyl prednisolone

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