Fig 3. Biomedical and environmental variables from multivariable regression analyses predicting The Transfer to Hospital Rate (TTHR).

The thickness of the box represents the number of multivariable models including the following predictors: type of injury (n = 1, intoxication vs medical vs trauma); number of patients (n = 1); accommodation (n = 2, mobile vs seated, bounded vs unbounded); weather conditions (n = 4, humidity, temperature, precipitation); time of the event (n = 1, day vs night); type of the event (n = 4, music genres, sport events); crowd size (n = 1).