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Table 1 Demographics of the study participants

From: A microsatellite polymorphism in IGF1 gene promoter and longevity in a Han Chinese population

Group

N

(Male/Female)

Age

(Mean ± SD, years)

Nationality

Range of age

(year)

Elderly

493 (252/241)

94.97 ± 3.15

Han

Male ≥ 90; Female ≥ 94

Control

425 (202/223)

57.17 ± 9.21

Han

32-73