Background
Methods
Subjects and sample
Group | Short stature group (n = 68) | Control group (n = 68) | T/χ2/Z value | P value |
---|---|---|---|---|
Age (years) | 4.76 ± 0.88 | 4.73 ± 0.89 | −0.17 | 0.86 |
Sex | ||||
Male | 28 | 28 | – | – |
Female | 40 | 40 | ||
Height (cm) | 96.94 ± 5.18 | 107.78 ± 6.87 | 10.38 | <0.05 |
Height-for-age z score median(P25,P75) | −2.37(− 2.53,-2.17) | −0.04(−0.60,0.66) | − 10.06 | <0.05 |
Weight (kg) | 14.08 ± 1.66 | 17.57 ± 2.64 | 9.23 | <0.05 |
Weight-for-age z score median(P25,P75) | −1.73(−2.13,-1.34) | −0.02(− 0.85,0.36) | − 8.70 | <0.05 |
Anthropometric measurements and body composition
BMI and the components
Quality control
Statistical analysis
Results
Basic characteristics of short stature and control group
Comparison of body composition measurements between two groups
Group | Short stature group (n = 68) | Control group (n = 68) | T value | P value |
---|---|---|---|---|
Total water | 8.38 ± 1.48 | 10.64 ± 1.65 | 8.43 | <0.05 |
Protein | 2.23 ± 0.38 | 2.81 ± 0.45 | 8.21 | <0.05 |
Minerals | 0.74 ± 0.46 | 0.97 ± 0.40 | 3.02 | <0.05 |
Fat mass | 2.74 ± 1.11 | 3.13 ± 1.18 | 1.98 | <0.05 |
Fat-free mass | 11.34 ± 1.75 | 14.44 ± 2.25 | 8.97 | <0.05 |
Soft lean mass | 10.74 ± 1.89 | 13.64 ± 2.11 | 8.42 | <0.05 |
Skeletal muscle mass | 4.71 ± 1.20 | 6.54 ± 1.34 | 8.37 | <0.05 |
Bone mineral content | 0.60 ± 0.46 | 0.79 ± 0.38 | 2.66 | <0.05 |
Comparison of BMI and other components between two groups
Group | Short stature group (n = 68) | Control group (n = 68) | T value | P value |
---|---|---|---|---|
BMI (kg/m2) | 14.96 ± 0.98 | 15.04 ± 1.00 | 0.51 | 0.61 |
BMI-for-age z score | −0.23(− 0.79,0.43) | −0.02(− 0.85,0.36) | − 0.55 | 0.58 |
FMI (kg/m2) | 2.95 ± 1.32 | 2.69 ± 1.01 | −1.30 | 0.19 |
FFMI (kg/m2) | 12.00 ± 1.06 | 12.36 ± 0.81 | 2.17 | 0.03 |
Body fat percentage (%) | 19.53 ± 7.89 | 17.65 ± 6.07 | −1.56 | 0.12 |
Basal metabolic rate (KJ/h) | 614.74 ± 37.77 | 681.85 ± 48.48 | 9.00 | <0.05 |
Waist hip ratio (%) | 0.69 ± 0.03 | 0.68 ± 0.03 | −0.44 | 0.66 |
Effects of BMI and other components on height
Variables | β Estimate (95%CI) | T value | P value |
---|---|---|---|
BMIa | 1.03 (− 0.07, 2.12) | 1.85 | 0.07 |
FFMIb | 1.99 (0.59, 3.39) | 2.80 | 0.01 |
FMIc | 0.67 (−0.46, 1.81) | 1.18 | 0.24 |
Body fat percentaged | −0.20 (− 0.38, − 0.01) | −2.13 | 0.04 |