Table 3.
Characteristics and outcomes of bystander-witnessed OHCA patients caused by pharyngeal or laryngeal obstruction
| Forceps use | Non-use | p value | |
|---|---|---|---|
| N = 146 | N = 94 | ||
| Age, year, mean ± SD | 73.6 ± 12.9 | 78.1 ± 14.3 | 0.013 |
| Male, N (%) | 91 (62.3) | 52 (55.3) | 0.285 |
| Location of accident, n (%) | |||
| Home | 107 (73.3) | 54 (57.4) | |
| Health care facility | 16 (11.0) | 35 (37.2) | <0.001 |
| Others | 23 (15.8) | 5 (5.3) | |
| Activities of daily living before arrests, N (%) | |||
| Good | 80 (54.8) | 40 (42.6) | 0.062 |
| Disability | 61 (41.8) | 53 (56.4) | |
| Unclassified | 5 (3.4) | 1 (1.1) | |
| Ventricular fibrillation as first documented rhythm, N (%) | 0 (0.0) | 3 (2.1) | 0.281 |
| Bystander-initiated CPR, N (%) | |||
| Compression-only CPR | 8 (5.5) | 16 (17.0) | |
| Conventional CPR | 20 (13.7) | 24 (25.5) | 0.001 |
| No CPR | 117 (80.1) | 54 (57.4) | |
| Epinephrine, N (%) | 2 (3.6) | 3 (6.8) | 0.653 |
| Intubation, N (%) | 7 (4.8) | 8 (8.5) | 0.281 |
| Time interval, min, mean ± SD | |||
| Collapse to call | 3.2 ± 5.5 | 3.1 ± 4.0 | 0.818 |
| Call to EMS arrival at the scene | 7.4 ± 2.4 | 7.2 ± 2.4 | 0.513 |
| Call to arrival at the hospital | 28.0 ± 7.6 | 24.7 ± 7.1 | 0.001 |
| Outcomes | |||
| Survival at one month, N (%) | 39 (26.7) | 16 (17.0) | 0.086 |
| Neurologically favorable one-month survival, N (%) | 24 (16.4) | 4 (4.3) | 0.004 |
Abbreviations: SD standard deviation, CPR cardiopulmonary resuscitation, EMS emergency medical system.