Table 3. Logistic regression of individual factors affecting success and failure of fiberoptic nasotracheal intubation.
| B (SE) | WALD | Degree of freedom | P-value | Odd ratio (95% CI) | |
|---|---|---|---|---|---|
| Order of FNIs performed by resident | -0.028 (0.015) | 3.343 | 1 | 0.068 | 0.973 (0.945 - 1.002) |
| Nasal bleeding grade | 23.195 | 2 | <0.001 | ||
| Grade 2 | 1.654 (0.8) | 4.276 | 1 | 0.039 | 5.23 (1.09 - 25.087) |
| Grade 3 | 3.346 (0.742) | 20.365 | 1 | <0.001 | 28.4 (6.639 - 121.483) |
| Oral secretion grade | 12.916 | 2 | 0.002 | ||
| Grade 2 | 0.107 (0.707) | 0.023 | 1 | 0.879 | 1.113 (0.279 - 4.447) |
| Grade 3 | 1.895 (0.638) | 8.816 | 1 | 0.003 | 6.651 (1.904 - 23.233) |
| Mallampati grade | 6.129 | 3 | 0.106 | ||
| Grade 2 | 1.227 (0.558) | 4.837 | 1 | 0.028 | 3.41 (1.143 - 10.176) |
| Grade 3 | 0.499 (0.754) | 0.439 | 1 | 0.508 | 1.648 (0.376 - 7.218) |
| Grade 4 | 2.233 (1.21) | 3.405 | 1 | 0.065 | 9.332 (0.87 - 100.051) |
| Laryngeal view grade | 1.347 | 3 | 0.718 | ||
| Grade 2 | -0.377 (0.645) | 0.342 | 1 | 0.559 | 0.686 (0.194 - 2.429) |
| Grade 3 | -0.811 (0.808) | 1.008 | 1 | 0.315 | 0.444 (0.091 - 2.166) |
| Grade 4 | 0.271 (1.453) | 0.035 | 1 | 0.852 | 1.312 (0.076 - 22.623) |
| BMI (constant) | 0.152 (0.06) | 6.484 | 1 | 0.011 | 1.164 (1.036 - 1.309) |
| -8.795 (1.699) | 26.789 | 1 | <0.001 |
FNI, Fibroptic nasotracheal intubation; BMI, body mass index.