Antioxidants and Quality of Aging: Further Evidences for a Major Role of TXNRD1 Gene Variability on Physical Performance at Old Age

Table 2

Sociodemographic characteristics and functional parameters in the sample stratified for group membership.

	Younger controls	Long lived
	()	()
Age (year)
Mean (SD)	73.89 (5.66)	95.26 (4.02)
Range	64–85	86–107
MMSE
Normal (≥23)	162	39
Impaired (<23)	74	276
HG strength
Mean (SD)	22.19 (9.11)	13.55 (6.38)
Range	4–55	1–42
ADL [ (%)]
Nondisable (=5)	204 (85.4%)	121 (34.7%)
Disable (<5)	35 (14.6%)	228 (65.3%)
Chair stand test
Mean (SD)	16.60 (5.53)	21.20 (6.75)
Range	2–45	8–43
Walking 500 meters [ (%)]
Yes	187 (78.2%)	120 (35.6)
No	52 (21.8%)	217 (64.4%)
BMI
Mean (SD)	27.28 (4.28)	23.57 (4.11)
Range	15.01–41.78	12.98–40.54

Participants were defined as “not disabled” if independent in all items and “disabled” if dependent in at least one item.
MMSE: Mini Mental State Examination; ADL: Activity of Daily Living; HG: Hand Grip.