组别

性别(男/女)

年龄( X ¯ ± S )

1组

17,544 (8737/8807)

74.10 ± 7.00

2组

26,240 (12,741/13,516)

74.86 ± 7.37

总数

43,784 (21,478/22,323)

74.56 ± 7.23