Table 1.

Group characteristics

	Normal weight n = 15	Overweight n = 15	Obese n = 15
Age (years)	70.8 ± 5.5 [65–80]	71.7 ± 4.3 [65–79]	70.6 ± 4.3 [65–77]
Height (cm)	157.0 ± 4.1 [150–164]	158.0 ± 6.1 [142–165]	158.0 ± 7.1 [146–173]
Weight (kg)	54.5 ± 5.9 [45–64]†§	67.9 ± 5.6 [57.5–77]*§	82.4 ± 11.3 [71–109.5]*†
BMI (kg/m²)	22.2 ± 1.9 [18.9–24.8]†§	27.3 ± 1.3 [25.5–29.1]*§	33.1 ± 3.4 [30.1–40.9]*†

Values are means ± SD [min–max]

^* p < 0.001, significantly different with normal weight

^† p < 0.001, significantly different with overweight

^§ p < 0.001, significantly different with obese