Table 4 Clinical factors associated with the feasibility of localizing the nasogastric tube by the magnet tracking device.
Feasible: N = 5 | Not feasible: N = 5 | |
|---|---|---|
Age (year) | 55.2 (SD 17.31) Median: 60 (range 25–67) | 62.8 (SD 7.22) Median: 61 (range 55–73) |
Gender (% male) | 40% | 80% |
Height (m) | 1.61 (SD 0.07) Median 1.6 (range 1.5–1.7) | 1.63 (SD 0.05) Median 1.62 (range 1.58–1.7) |
Weight (kg) | 56 (SD 7.42) Median 55 (range 47–64) | 64.3 (SD 7.19) Median 61 (range 57–75) |
Body-mass-index (kg/m2) | 21.62 (SD 2.03) Median 21.80 (range 18.36–23.80) | 23.17 (SD 2.13) Median 23.63 (range 21.72–27.55) |
Chest circumference (cm) | ||
2nd intercostal space | 84.8 (SD 8.76) Median 840 (range 740–970) | 88.18 (SD 13.40) Median 914 (range 650–985) |
Xiphisternum | 78.7 (SD 9.67) Median 76.0 (range 71–95.5) | 86.66 (SD 8.70) Median 90.5 (range 73–95.5) |
Umbilicus | 80.0 (SD 9.87) Median 80.5 (range 69 –94.5) | 75.8 (24.63) Median 90.5 (range36–93) |
Vertical distance (cm) | ||
From clavicle to 2nd intercostal space (sternal angle) | 7.4 (SD 1.88) Median 7.5 (range 5.5–9.5) | 7.6 (SD 2.90) Median 6.0 (range 5.5–12.5) |
From 2nd intercostal space (sternal angle) to xiphisternum | 11.2 (SD 2.36) Median 12.0 (range 8.5–14.0) | 14.4 (SD 1.85) Median 15.0 (range 11.5–16.5) |
