Table 1 Study cohort demographic data and imaging parameter range
From: Micro-CT yields high image quality in human fetal post-mortem imaging despite maceration
N | Min | Max | Mean | SD | Median | Lower Qu | Upper Qu | |
|---|---|---|---|---|---|---|---|---|
Patient Baseline demographics | ||||||||
Gestational age (weeks) | 258 | 11 | 24 | 16.0 | 2.50 | 16.0 | 14.0 | 17.8 |
Post mortem interval (days) | 258 | 0 | 48 | 14.1 | 5.21 | 13 | 11.0 | 17.0 |
Crown rump length (cm) | 258 | 4.0 | 18.6 | 10.4 | 2.92 | 10 | 8.0 | 12.5 |
Crown heel length (cm) (missing = 1) | 257 | 5.7 | 26.2 | 14.3 | 4.25 | 14.1 | 11.0 | 17.4 |
Head circumference (cm) | 258 | 4.1 | 16.9 | 9.60 | 2.91 | 9.3 | 7.2 | 11.9 |
Post mortem weight (g) | 258 | 2.6 | 350.0 | 64.8 | 63.4 | 41.7 | 20.5 | 94.1 |
Tissue preparation | ||||||||
Time to immersion (missing = 69) | ||||||||
≤ 10 days | 62 | 1 | 10 | 3.48 | 2.49 | 3 | 1 | 5 |
> 10 days | 127 | 11 | 19 | 16.2 | 1.80 | 16 | 15 | 18 |
Time Iodinated (days) (missing = 69) | 189 | 1 | 14 | 8.80 | 2.55 | 9.0 | 8.0 | 10.0 |
Imaging parameters | ||||||||
Kilovoltage | 258 | 60 | 160 | 106 | 14.7 | 100 | 100 | 120 |
Current (µA) | 258 | 78 | 400 | 142 | 44.6 | 130 | 120 | 150 |
Power (Watts) | 258 | 7 | 40 | 15 | 4.9 | 14 | 12 | 17 |
Projections | 258 | 1351 | 3141 | 2716 | 440 | 2808 | 2431 | 3141 |