Table 1. Descriptive statistics and comparison between the “No side-hole pass” and the opposite group.
| Total (n = 30) | No side-hole pass (n = 15) | At least one side-hole pass (n = 15) | ||||||||
| Mean | SD | Median (Min-Max) | Mean | SD | Median (Min-Max) | Mean | SD | Median (Min-Max) | P-value | |
| Age | 57.7 | 10.4 | 56.0 (33.0–75.0) | 57.8 | 9.4 | 51.0 (39.0–71.0) | 57.7 | 11.7 | 56.0 (33.0–75.0) | 0.950 |
| Height (cm) | 162.7 | 7.4 | 164.3 (148.0–177.0) | 164.1 | 6.1 | 157.0 (155.0–177.0) | 161.3 | 8.5 | 161.0 (148.0–174.0) | 0.339 |
| NG length cardia to nostril (mm) | 473.5 | 27.9 | 474.6 (422.2–522.1) | 488.6 | 23.4 | 464.7 (448.1–522.1) | 458.4 | 23.9 | 454.9 (422.2–496.1) | 0.003 |
| NE length (mm) | 153.0 | 10.0 | 152.2 (127.6–171.2) | 151.9 | 11.0 | 145.9 (127.6–171.2) | 154.0 | 9.2 | 150.2 (139.8–169.5) | 0.772 |
| EX length (mm) | 358.5 | 25.6 | 356.3 (301.6–424.1) | 348.1 | 22.8 | 339.2 (301.6–380.7) | 368.9 | 24.5 | 371.7 (315.5–424.1) | 0.020 |
| NEX length (mm) | 511.5 | 29.9 | 509.5 (453.1–593.6) | 500.0 | 27.0 | 483.7 (453.1–540.3) | 523.0 | 28.9 | 518.6 (471.2–593.6) | 0.036 |
| GX length (mm) | 403.3 | 26.5 | 402.2 (339.6–447.6) | 401.8 | 26.7 | 390.1 (339.6–436.4) | 404.8 | 27.1 | 407.5 (357.8–447.6) | 0.787 |
| GU length (mm) | 559.0 | 34.6 | 565.6 (479.6–607.5) | 557.6 | 31.2 | 545.3 (479.6–604.1) | 560.3 | 38.8 | 579.1 (483.3–607.5) | 0.494 |
P-value by Mann-Whitney U Test.
NG: nasogastric; NE: Nose-Ear; EX: Ear-Xiphoid; NEX: Nose-Ear-Xiphoid; GX: Glabella-Xiphoid; GU: Glabella-Umbilicus; SD: standard deviation; Min: minimum; Max: maximum.