PMC:7547912 / 7509-7785 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T27","span":{"begin":53,"end":57},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"},{"id":"T28","span":{"begin":158,"end":162},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"Moreover, we have used unpaired Welch’s two-sample t test analysis to measure the statistically significant reduction in average AQI for all four sites, as t test allows us to compare the average values of the two data sets and determine if they came from the same population."}

{"project":"LitCovid-sentences","denotations":[{"id":"T54","span":{"begin":0,"end":276},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Moreover, we have used unpaired Welch’s two-sample t test analysis to measure the statistically significant reduction in average AQI for all four sites, as t test allows us to compare the average values of the two data sets and determine if they came from the same population."}