Table 1 Biological and poisoning characteristics of patients exposed: observed and expected values in the lockdown period (March–May 2020)
Variables | March–May 2020 (Lockdown period) | % of increase | p-value (χ2) | |
|---|---|---|---|---|
Observed N. | Expected N. | |||
Gender | ||||
 Male | 1293 | 1325.9 | −2.5 | .077 |
 Female | 1233 | 1223.5 | + 0.8 | .599 |
 Unknown | – | 0.5 | −100 | 1 |
Age class (years) | ||||
  < 1 | 65 | 70.4 | −7.7 | .208 |
 1–5 | 959 | 933.2 | + 2.8 | .099 |
 6–10 | 80 | 82.8 | −3.4 | .544 |
 11–19 | 96 | 117.0 | −17.9 | .0003 |
 20–65 | 1020 | 1027.3 | −0.7 | .659 |
 66+ | 247 | 258.4 | −4.4 | .156 |
 Unknown | 59 | 54.8 | + 7.7 | .291 |
Circumstance | ||||
 Inadvertent | 2181 | 2187.5 | −0.3 | .786 |
 Occupational | 118 | 133.6 | −11.7 | .011 |
 Intentional | 328 | 339.6 | −3.4 | .242 |
 Unknown | 17 | 17.4 | −2.3 | .839 |
Caller | ||||
 Hospital | 1279 | 1433.5 | −10.8 | <.001 |
 Non-hospital | 1247 | 1128.3 | + 10.5 | <.001 |
 Citizen | 1083 | 971.1 | + 11.5 | <.001 |
Route of exposure | ||||
 Ingestion | 1701 | 1709.5 | −0.5 | .693 |
 Inhalation | 393 | 409.1 | −3.9 | .114 |
 Dermal | 197 | 208.5 | −5.5 | .103 |
 Ocular | 166 | 155.5 | +6.8 | .083 |
 Injection | 8 | 8.7 | −8.0 | *.745 |
Symptoms | ||||
 Yes | 1413 | 1451.9 | −2.7 | .047 |
 Minor | 1102 | 1105.1 | −0.3 | .856 |
 Moderate | 288 | 320.4 | −10.1 | .0002 |
 Severe-Fatal | 23 | 27.0 | −14.8 | .139 |
Total | 2526 | 2544.9 | −0.7 | .467 |