Fig. 2. Analysis of Indoor humidity (%) in workplace performed the anti-HCV ICA tests from 2017 to 2018. (A) Monthly humidity. (B) Positive rate of the anti-HCV ICA in different humidity (*
P<0.05). Boxs represent the interquartile range and the line within box represents the median. The I bars represent the 2.5th and 97.5th percentiles. Black dashed lines represent the recommended range of the humidity [
7]. The instruments used were from the following companies: Humasis HCV card (Humasis Co. Ltd., Anyang, Korea) and Asan Easy Test HCV (Asan Pharmaceutical, Seoul, Korea). Abbreviations: HCV, hepatitis C virus; ICA, immunochromatographic assay.