Table 2.
Participant characteristics and scan results with coefficient of variation for body composition measurements for participants in the same-day repeated-scan precision study.
| Characteristics | ||||||
| Number of participants (Male n, (%)) | 30 (14 (47)) | Men | Women | |||
| Height (cm) Median (5th–95th percentile) | 171.4 (161.9–184.6) | 176.6 (169.7–192.3) | 165.3 (161.9–184.2) | |||
| Weight (kg) Median (5th–95th percentile) | 77.8 (51.7–131.9) | 102.8 (55.8–145.1) | 69.9 (51.7–126.9) | |||
| BMI (kg/m2) Median (5th–95th percentile) | 26.5 (18.9–39.2) | 34.2 (18.9–42.53) | 24.4 (19.0–37.4) | |||
| Measure | Scan 1 Mean (SD) | Range | Scan 2 Mean (SD) | Range | CV% | RMSSD (LSC 95% CI) |
| A-FM (kg) | 2.32 (1.77) | 0.36–6.56 | 2.34 (1.81) | 0.36–6.60 | 1.87 | 0.06 (0.18) |
| G-FM (kg) | 4.75 (2.64) | 1.77–11.96 | 4.79 (2.74) | 1.77–12.43 | 1.28 | 0.15 (0.43) |
| TB-FM (kg) | 26.80 (15.01) | 10.51–60.09 | 26.86 (15.14) | 10.78–60.10 | 0.74 | 0.31 (0.85) |
| A-LM (kg) | 3.82 (0.87) | 2.32–5.93 | 3.82 (0.87) | 2.29–6.01 | 1.11 | 0.08 (0.23) |
| G-LM (kg) | 8.74 (2.21) | 5.12–13.46 | 8.75 (2.23) | 5.01–13.59 | 0.60 | 0.15 (0.43) |
| TB-LM (kg) | 53.67 (12.54) | 32.79–79.23 | 53.69 (12.46) | 32.77–79.93 | 0.48 | 0.48 (1.34) |
| A-TM (kg) | 6.19 (2.44) | 3.33–11.02 | 6.21 (2.48) | 3.25–11.22 | 0.63 | 0.08 (0.21) |
| G-TM (kg) | 13.81 (4.36) | 8.60–23.64 | 13.86 (4.46) | 8.57–24.33 | 0.58 | 0.18 (0.50) |
| TB-TM (kg) | 83.41 (25.29) | 51.58–136.13 | 83.50 (25.42) | 51.60–136.22 | 0.20 | 0.40 (1.10) |
| A-%Fat | 33 (15) | 8–61 | 33 (15) | 8–61 | 1.75 | 0.9 (2.5) |
| G-%Fat | 33 (9) | 16–52 | 33 (10) | 16–53 | 1.02 | 0.6 (1.7) |
| TB-%Fat | 30 (9) | 17–48 | 30 (9) | 17–48 | 0.80 | 0.4 (1.1) |
| VAT Mass (g) | 776.9 (808.8) | 28.0–2978.2 | 766.7 (807.5) | 0.0–2999.2 | 16.2 | 65.5 (181.4) |
| VAT Vol (cm3) | 823.5 (857.4) | 29.7–3156.9 | 812.7 (856.0) | 0.0–3179.1 | 16.2 | 82.2 (227.8) |
| VAT Mass (g) ^ | 802.4 (810.8) | 28.0–2978.2 | 793.2 (808.5) | 23.4–2999.2 | 11.8 | 66.4 (184.0) |
| VAT Vol (cm3) ^ | 850.5 (859.4) | 29.7–3156.9 | 840.7 (857.0) | 24.8–3179.1 | 11.8 | 82.5 (228.6) |
A = Android; FM = Fat mass; G = Gynoid; LM = Lean mass; LSC = Least significant change; STM = Soft tissue mass; V1 = Visit 1; V2 = Visit 2; V3 = Visit 3; TB = Total body; TM = Total mass; VAT = Visceral adipose tissue; ^ = Included only participants with VAT > 0 g for all three visits (n = 29).