Background
Methods
Statistical issues
Sample size
Statistical analysis
Results
Variable | Frequency (N = 56) | Percentage (%) |
---|---|---|
Age | ||
Mean(SD*) | 25.8 (4.33) | |
Gravidity | ||
Median (IQR*) | 3 (1.5,4) | |
Parity | ||
Median (IQR*) | 1 (0,2) | |
Number of previous abortions | ||
Median (IQR*) | 0 (0,1) | |
Weight | ||
Median (IQR*) | 54 (50.5,61.0) | |
Height | ||
Median (IQR*) | 156.3 (154.0,160.1) | |
Gestation age | ||
Mean (SD*) | 7.5 (1.14) | |
Body Mass Index | ||
Underweight (< 18.5) | 5 | 8.9 |
Normal (18.5–24.9) | 39 | 69.7 |
Overweight (25.0–29.9) | 7 | 12.5 |
Obesity (≥ 30.0) | 5 | 8.9 |
Paired set of measurements | ICC* | 95% CI* |
---|---|---|
Intra-observer variation (CRL*) | ||
Observer 1 | 0.993 | (0.988, 0.996) |
Observer 2 | 0.995 | (0.992, 0.997) |
Inter-observer variation | ||
CRL* | 0.988 | (0.980, 0.993) |
MSD* | 0.955 | (0.924, 0.973) |
Paired set of measurements | Absolute TEM* | VAV* | Relative TEM* (%) | Classification |
---|---|---|---|---|
Intra-observer variation (CRL*) | ||||
Observer 1 | 0.72 | 15.54 | 4.62 | Acceptable |
Observer 2 | 0.58 | 15.81 | 3.70 | Acceptable |
Inter-observer variation | ||||
CRL* | 0.92 | 15.66 | 5.88 | Acceptable |
MSD* | 1.74 | 29.36 | 5.93 | Acceptable |