Author: Giovanni Sala; Tsuyoshi Miyakawa
Title: Association of BCG vaccination policy with prevalence and mortality of COVID-19 Document date: 2020_4_6
ID: 93b2ivio_13
Snippet: The Group A countries significantly tend to be classified in lower growth group compared to Groups B and C countries (as a single group) with all the 68 countries with known BCG policy (Figure 3b ; Chi-squared test: p = 0.0002; B and C groups were combined for this test). As in the linear regression models, given that life expectancy may affect growth rate, we also conducted a Chi-squared test after excluding the countries that had a shorter life.....
Document: The Group A countries significantly tend to be classified in lower growth group compared to Groups B and C countries (as a single group) with all the 68 countries with known BCG policy (Figure 3b ; Chi-squared test: p = 0.0002; B and C groups were combined for this test). As in the linear regression models, given that life expectancy may affect growth rate, we also conducted a Chi-squared test after excluding the countries that had a shorter life expectancy (≤78 years old, n = 40), and found that the difference remained significant after the exclusion (Figure 3c ;
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