Table 1 Risk frequency and various verbal descriptors
Frequency range (1 in) | EU descriptors | Calman verbal scale | Calman descriptive scale | Paling perspective scale |
|---|---|---|---|---|
1–9 | Very common |  |  | Very high |
10–99 | Common | High | Frequent, significant | High |
100–999 | Uncommon | Moderate |  | Moderate |
1,000–9,999 | Rare | Low | Tolerable, reasonable | Low |
10,000–99,999 | Very rare | Very low |  | Very low |
100,000–999,999 |  | Minimal | Acceptable | Minimal |
1,000,000–9,999,999 |  | Negligible | Insignificant, safe | Negligible |