Table 2.
Body composition, muscle function and frailty in the different body composition categories
| A | ||||||
| Robust | p | Reduced muscle mass, normal strenght | p | |||
| No obesity | With obesity | No obesity | With obesity | |||
| (N = 425) | (N = 28) | (N = 138) | (N = 195) | |||
| Age | 71 (IQR 68–74) | 70 (IQR 68–76) | 0.87 | 74 (IQR 69–77) | 72 (IQR 68–76) | 0.04 |
| Males | 130 (30.6%) | 1 (3.6%) | 0.002 | 116 (84.1%) | 78 (40%) | < 0.001 |
| Weight | 64.4 (IQR 57.7–72.1) | 72.5 (IQR 70.4–79.2) | < 0.001 | 77.5 (IQR 68.0–82.9) | 79.1 (IQR 70–86.1) | 0.015 |
| BMI | 24.6 (IQR 22.8–26.8) | 30.3 (IQR 28.5–31.7) | < 0.001 | 27.0 (IQR 25.6–28.8) | 30.65 (IQR 28.7–32.8) | < 0.001 |
| Waist circumference (cm) | 86 (IQR 80–92) | 97 (IQR 93–103) | < 0.001 | 99 (IQR 92–104) | 102 (IQR 95–109) | < 0.001 |
| Visceral fat (%) | 9 (IQR 7–10) | 12 (IQR 11–13) | < 0.001 | 14 (IQR 11–15) | 15 (IQR 12–17) | 0.001 |
| Fat mass (%) | 31.5 (IQR 22.1–36.8) | 42.8 (IQR 42.3–43.7) | < 0.001 | 27.2 (IQR 25.7–28.9) | 43.8 (IQR 32.6–47.2) | < 0.001 |
| Skeletal muscle mass (%) | 28.4 (IQR 26.4–33.7) | 24.6 (IQR 24.2–25.1) | < 0.001 | 30.9 (IQR 29.9–31.9) | 23.2 (IQR 21.6–28.2) | < 0.001 |
| Gait speed (m/s) | 1.25 (IQR 1.11–1.39) | 1.19 (IQR 1.06–1.25) | 0.019 | 1.23 (IQR 1.07–1.35) | 1.16 (IQR 1.03–1.26) | 0.007 |
| SPPB chair (sec) | 11.5 (IQR 10–13) | 12.24 (IQR 10.87–13.40) | 0.09 | 11.87 (IQR 10.48–13.01) | 12.08 (IQR 10.49–13.57) | 0.12 |
| SPPB | 11 (IQR 11–12) | 11 (IQR 10–12) | 0.25 | 11 (IQR 11–12) | 11 (IQR 10–12) | 0.015 |
| PASE | 116 (IQR 82–169) | 91 (IQR 71–137) | 0.045 | 119 (IQR 74–173) | 92 (IQR 57–145) | 0.002 |
| FI | 0.09 (IQR 0.05–0.16) | 0.14 (IQR 0.07–0.18) | 0.026 | 0.11 (IQR 0.07–0.16) | 0.11 (IQR 0.07–0.23) | 0.03 |
| Frail (FI ≥ 0.25) | 51 (12%) | 3 (10.7%) | 0.041 | 16 (11.6%) | 48 (24.6%) | 0.003 |
| B | ||||||
| Presarcopenic | p | Sarcopenic | p | |||
| No obesity | With obesity | No obesity | With obesity | |||
| (N = 173) | (N = 18) | (N = 51) | (N = 86) | |||
| Age | 75 (IQR 70–80) | 72 (IQR 67–79) | 0.09 | 77 (IQR 71–81) | 73 (IQR 70–78) | 0.11 |
| Males | 46 (26.6%) | 0 (0%) | 0.012 | 39 (76.5%) | 30 (34.9%) | < 0.001 |
| Weight | 63.9 (IQR 58.4–70.7) | 73.1 (IQR 69.0–80.6) | < 0.001 | 71.5 (IQR 64–83.3) | 78.6 (IQR 68.5–89.8) | 0.007 |
| BMI | 24.6 (IQR 22.8–26.6) | 30.5 (IQR 29.1–32.1) | < 0.001 | 26.7 (IQR 24.4–28.9) | 31.2 (IQR 29.0–34.7) | < 0.001 |
| Waist circumference (cm) | 88 (IQR 81–95) | 99 (IQR 93–103) | < 0.001 | 99 (IQR 90–105) | 103 (IQR 94–113) | 0.004 |
| Visceral fat (%) | 8 (IQR 7–10) | 12 (IQR 11–14) | < 0.001 | 13 (IQR 9–16) | 14.5 (IQR 12–19) | 0.01 |
| Fat mass (%) | 33.4 (IQR 22.2–37.2) | 43.3 (IQR 42.3–44.1) | < 0.001 | 27.9 (IQR 25.8–29.8) | 44.1 (IQR 34.5–47.2) | < 0.001 |
| Skeletal muscle mass (%) | 28 (IQR 26.2–33.6) | 24.6 (IQR 24.2–25.5) | < 0.001 | 30.6 (IQR 29.1–31.9) | 23.2 (IQR 22.2–27.6) | < 0.001 |
| Gait speed (m/s) | 1.04 (IQR 0.90–1.15) | 0.99 (IQR 0.71–1.07) | 0.06 | 1.07 (IQR 0.88–1.22) | 0.96 (IQR 0.83–1.13) | 0.11 |
| SPPB chair (sec) | 17.2 (IQR 16–20) | 18.7 (IQR 16.2–21.1) | 0.32 | 16.6 (IQR 15.8–19.1) | 18.1 (IQR 16.4–20.7) | 0.021 |
| SPPB | 9 (IQR 8–10) | 9 (IQR 6–10) | 0.23 | 9 (IQR 9–10) | 8 (IQR 6–9) | 0.001 |
| PASE | 87 (IQR 57–137) | 83 (IQR 39–130) | 0.43 | 95 (IQR 39–144) | 66 (IQR 35–109) | 0.04 |
| FI | 0.16 (IQR 0.09–0.28) | 0.30 (IQR 0.19–0.32) | 0.003 | 0.16 (IQR 0.09–0.25) | 0.18 (IQR 0.11–0.34) | 0.11 |
| Frail (FI ≥ 0.25) | 59 (34.1%) | 11 (61.1%) | 0.024 | 13 (25.5%) | 33 (38.4%) | 0.12 |