Table 1 Analysis of retrospective data for airway patency (not assigned: reported, but not in relation to burial time)
| Â | Obstructed | Patent | Unknown | |
|---|---|---|---|---|
Burial time | Short < 35 min (n = 23, 5%) | 0 | 5 (22%) | 18 (78%) |
Long ≥ 35 min (n = 271, 63%) | 37 (14%) | 40 (15%) | 194 (71%) | |
Unknown (n = 61, 14%) | 2 (3%) | 48 (79%) | 11 (18%) | |
Not assigned (n = 79, 18%) | 8 (10%) | 58 (73%) | 13 (17%) | |
Total (n = 434) | 47 (11%) | 151 (35%) | 236 (54%) | |