Study Wang et al (2020)N = 138, confirmed casesRetrospective study Cheng et al (2020)N = 701, confirmed casesRetrospective study Wang et al (2020)N = 205, confirmed casesClinicopathologic Li et al (2020)N = 193, confirmed casesRetrospective study Zhou et al (2020)N = 191, confirmed casesRetrospective study