TABLE 1.
Participant characteristics
| Young lean (n = 12) | Young obese (n = 12) | Elderly lean (n = 12) | Elderly obese (n = 12) |
P |
||||
|---|---|---|---|---|---|---|---|---|
| Overall | Age | Sex | BMI | |||||
| Age (years) | 22.0 (19, 29) | 24.5 (21, 28) | 67.5 (65, 80) | 70.5 (65, 80) | <0.001 | <0.001 | 0.65 | 0.32 |
| Body composition | ||||||||
| BMI (kg/m2) | 23.3 (20.2, 25.4) | 30.9 (27.7, 34.0) | 23.3 (19.1, 25.1) | 29.2 (27.9, 34.3) | <0.001 | 0.27 | 0.50 | <0.001 |
| Fat (%) | 29.8 (10.7, 37.6) | 44.3 (22.4, 53.5) | 29.7 (17.5, 43.0) | 40.4 (26.3, 50.0) | <0.001 | 0.93 | <0.001 | <0.001 |
| FFM (kg) | 45.8 (32.3, 65.5) | 53.2 (36.1, 78.1) | 44.0 (27.4, 61.5) | 47.8 (35.6, 64.2) | <0.001 | 0.013 | <0.001 | <0.001 |
| Fat mass (kg) | 18.6 (6.2, 24.1) | 35.3 (21.5, 59.6) | 16.5 (11.5, 28.8) | 32.4 (21.7, 38.6) | <0.001 | 0.014 | <0.001 | <0.001 |
| Truncal fat mass (kg) | 8.5 (3.0, 10.8) | 17.6 (10.9, 29.4) | 8.0 (5.6, 14.4) | 15.8 (11.5, 19.8) | <0.001 | 0.23 | 0.025 | <0.001 |
| Fitness | ||||||||
| Peak Vo2 (l/min) | 2.3 (1.37, 3.00) | 2.65 (1.62, 3.66) | 1.37 (0.76, 2.48) | 1.47 (0.92, 3.06) | <0.001 | <0.001 | <0.001 | 0.0189 |
| Peak Vo2 (ml · kg−1 FFM · min−1) | 46.0 (41.3, 58.0) | 46.6 (40.9, 55.6) | 31.1 (24.3, 44.3) | 30.3 (25.6, 47.6) | <0.001 | <0.001 | 0.17 | 0.79 |
| Leisure-time activity score* | 256 (24, 893) | 102 (13, 384) | 201 (34, 736) | 111 (40, 1,032) | 0.38 | 0.66 | 0.53 | 0.12 |
Data are medians (minimum, maximum).
*Data were log transformed prior to analysis.