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Prognostic factors for difficult ETI.
| Without Stifneck | With Stifneck | p value | |
|---|---|---|---|
| MS | 2 (1/3) | 4 (3/4) | < .001 |
| IID (cm) | 4.85 ± 1.0 | 2.50 ± 0.9 | < .001 |
| Rec. (°) | 47.5 (36.3/60.0) | 10.0 (5.0/17.5) | < .001 |
MS = Mallampati score.
IID = interincisor distance (cm) .
Rec = reclination (°).
Level of significance p < .05.
MS + Rec analyzed by Wilcoxon's signed rank test, values shown as median and 25/75 percentile.
IID analyzed by the paired t-test, values shown as mean ± SD.
