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. 2015 Apr 30;15:45. doi: 10.1186/s12890-015-0040-0

Table 4.

Nested case-control study, minimal detectable differences of biomarkers under different hypothetical assumptions with 1:2 case-control matching

Biomarkers Mean (SD)* 20% RSV exposed: 83 asthma cases 30% RSV exposed: 166 asthma cases
Urine Leukotrienes 83.8 pg/mg (38.2) 14.4 10.2
KL-6 127.1 U/mL (69.1) 26.2 18.4
Urinary PGI 175 pg/mL (12.1) 4.6 3.2

* Based on references [46-50].