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Table 2 There was no statistical significance in the average air quality between “days with AAD” and “days without AAD” groups

From: Impact of meteorological factors on the occurrence of acute aortic dissection in Fujian Province, China: a single-center seven-year retrospective study

Group N Average air quality [°C,M (QL,QU)]
days with AAD 861 45.00 (35.00,57.00)
days without AAD 562 45.00 (35.00.57.00)
Z   −0.001
P   0.999