Fig. 2From: COVID-19 targets the right lungStatistical analysis. a Correlation between age and delta. Age was categorized into five groups. b Association between Δ and relative death ratio. c Comparison of mortality in patients with Δ < 0 and Δ ≥ 0. Mortality rate of non-survivors was shown in cyan; mortality rate of survivors was shown in red. d Contingency table for Δ and mortalityBack to article page