Table 3.
Association between the anatomical factors of the HEAVEN criteria and difficult airway view
| HEAVEN criteria | Difficult airway view (n=174) |
OR (95% CI) | P-value | |
|---|---|---|---|---|
| Yes | No | |||
| Extremes of size | 2.97 (1.35–6.53) | < 0.01a,b) | ||
| Present | 15 (8.6) | 28 (16.1) | ||
| Absent | 20 (11.5) | 111 (63.8) | ||
| Anatomical challenge | 4.53 (1.92–10.75) | < 0.01a,b) | ||
| Present | 13 (7.5) | 16 (9.2) | ||
| Absent | 22 (12.6) | 123 (70.9) | ||
| Vomit/blood/fluid | 4.65 (2.13–10.13) | < 0.01a,b) | ||
| Present | 20 (11.5) | 31 (17.8) | ||
| Absent | 15 (8.6) | 108 (62.1) | ||
| Neck mobility | 3.79 (1.55–9.25) | < 0.01a,b) | ||
| Present | 11 (6.3) | 15 (8.6) | ||
| Absent | 24 (13.8) | 124 (71.3) | ||
Values are presented as number (%).
OR, odds ratio; CI, confidence interval.
a)
Chi-square test.
b)
P<0.01.