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Table 2 Effect of hydroxychloroquine on QTc interval

From: Clinical, epidemiological, and laboratory characteristics of mild-to-moderate COVID-19 patients in Saudi Arabia: an observational cohort study

  Patient COVID-19 severity type Mean QTc before hydroxychloroquine treatment (ms) (95% CI) Mean QTc during hydroxychloroquine treatment (ms) (95% CI) Mean difference (ms) (95% CI) p-value
Computer interpreted All 400.68 (384.99–416.36) 414.06 (389.4–423.81) 5.93 (− 13.35 to 1.49) 0.113
Mild 414.06 (392.61–435.52) 422.56 (397.85–447.28) 8.5 (− 20.22 to 3.22) 0.143
Moderate 382.83 (360.85–404.81) 385.33 (364.89–405.77) 2.5 (− 11.87 to 6.87) 0.569
  1. CI confidence interval
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