Environmental Sciences Europe

Table 1 General characteristics of Alzheimer's disease inpatients

From: Impact of airborne particulate matter exposure on hospital admission for Alzheimer's disease and the attributable economic burden: evidence from a time-series study in Sichuan, China

Variables	Cases (%)
Total	4975
Region
Sichuan basin	4951 (99.52%)
Western sichuan plateau	24 (0.48%)
Gender
Male	2299 (43.21%)
Female	2676 (53.79%)
Age (Mean ± SD)	79.82 ± 9.70
< 75	1302 (26.17%)
75–85	1820 (36.58%)
≥ 85	1853 (37.25%)
Season
Cold season	2418 (48.60%)
Warm season	2557 (51.40%)

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