Table 1 Characteristics of the subjects (N = 105).
Feature | Bell signal (n = 53) | Radio signal (n = 52) | P Value |
---|---|---|---|
Gender of all patients, N (%) | 0.862 | ||
Male | 199 (52.1) | 187 (51.2) | |
Female | 183 (47.9) | 178 (48.8) | |
Age of all patients, Mean (SD), years | 42.9 (5.6) | 40.6 (4.9) | 0.655 |
Type of MCI, N (%) | 0.830 | ||
Mass-transportation | 39 (73.6) | 38 (73.1) | |
Outbreak infection | 8 (15.1) | 7 (13.5) | |
Fires or natural disasters | 5 (9.4) | 4 (7.7) | |
Crime scene | 1 (1.9) | 3 (5.7) | |
Operation Time, N (%) | 0.752 | ||
Morning (8 AM–4 PM) | 22 (41.5) | 19 (36.5) | |
Afternoon (4 PM–12 AM) | 20 (37.7) | 25 (48.1) | |
Night (12 AM–8 AM) | 11 (20.8) | 8 (15.4) | |
Equipment’s used in MCI, N (%) | 0.720 | ||
Binoculars | 47 (88.7) | 45 (86.5) | |
Portable light | 30 (56.6) | 32 (61.5) | |
Fire extinguisher | 5 (9.4) | 3 (5.8) | |
Chemical protective clothing | 1 (1.9) | 1 (1.9) | |
Mobile chemical decontamination | 1 (1.9) | 1 (1.9) | |
Number of casualties, Mean (SD) | 7.2 (2.0) | 7.0 (1.8) | 0.920 |