Table 1.
Baseline characteristics of the patient cohort
|
Characteristic |
Total |
Patients with STBD
max
≥12.7 mm |
Patients with STBD
max
<12.7 mm |
P value |
|---|---|---|---|---|
| (n = 100) | (n = 71) | (n = 29) | ||
| Age (months), median (IQR) |
17 (45) |
18 (45) |
16 (31) |
0.19 |
| Males, n (%) |
55 (55) |
39 (55) |
16 (55) |
0.98 |
| White race, n (%) |
78 (78) |
57 (80) |
21 (72) |
0.38 |
| Weight (kg), mean (SD) |
11.5 (2.2) |
12.1 (1.9) |
10.2 (2.3) |
0.0002 |
| Height (m), mean (SD) |
0.84 (0.1) |
0.85 (0.1) |
0.79 (0.1) |
0.02 |
| BMI (kg/m2), mean (SD) |
16.4 (1.9) |
16.5 (1.9) |
16.1 (1.3) |
0.36 |
| STMDmax (mm), mean (SD) |
6.4 (1.4) |
6.7 (1.4) |
5.5 (0.9) |
0.0003 |
| STMDmin (mm), mean (SD) |
7.8 (1.8) |
8.1 (1.8) |
7.1 (1.6) |
0.02 |
| STBDmin(mm), mean (SD) | 25.1 (4.3) | 26.2 (3.8) | 22.3 (4.0) | 0.0001 |
IQR: interquartile range; SD: standard deviation; BMI: body mass index; STMDmin: skin-to-muscle depth with minimal pressure; STMDmax: skin-to-muscle depth with maximal pressure; STBDmin: skin-to-bone depth with minimal pressure; STBDmax: skin-to-bone depth with maximal pressure.