Hydroxychloroquine/chloroquine prophylaxis among health-care workers: Was it really preventive? – Evidence from a multicentric cross-sectional study
et al., Indian Journal of Community Medicine,
Retrospective 2,224 healthcare workers in India, showing lower risk of seropositivity with HCQ prophylaxis, without statistical significance.
risk of seropositive, 20.0% lower, OR 0.80, p = 0.10, treatment 1,255, control 969, adjusted per study, multivariable, RR approximated with OR.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Yadav et al., 11 Jul 2022, retrospective, India, peer-reviewed, mean age 34.1, 3 authors, study period 21 August, 2020 - 20 November, 2020.