Table 4. Prevalence of perceived life-threatening incidents in the PADI surveys; no statistically significant differences between the groups; CI – confidence interval .
| Life-threatening incidents (n) | PADI members | PADI divers |
| Gas supply | 16 | 6 |
| Sea/weather | 12 | 8 |
| Overhead environment | 6 | 4 |
| Marine animal | 5 | 0 |
| Equipment fault | 12 | 8 |
| Equipment misuse | 1 | 2 |
| Medical condition | 0 | 1 |
| Anxiety/panic | 5 | 6 |
| Lack skills/experience | 9 | 4 |
| Own error | 16 | 6 |
| Own error | 16 | 6 |
| Other's error | 16 | 5 |
| Total incidents | 87 | 50 |
| Total dives | 603,564 | 84,899 |
| Incidents/100,000 dives | 8.3 | 36.5 |
| (95% CI) | (6.1−10.9) | (24.8−51.8) |