Table 8.

Relative risk (R) for the gravest events/factors in the category of a given ward—the Intensive Care and Anesthesiology Unit (human and technical factors).

Most Dangerous Event/Factor	Level (R) [%]
shortage of doctors	29
shortage of nurses	31
number of patients in the ward	15
problems with supply of medical gases	10
antibacterial covers (bed, door handles, handles, etc.)	54 1
amount of equipment in patient rooms	54 1
age of medical equipment	14
gravity ventilation system service in patient rooms	50 1
gravity ventilation in patient rooms	27
supply and exhaust ventilation system service	50 1
supply and exhaust ventilation in patient rooms	41
air conditioning system service	50 1
air conditioning system in patient rooms	41
operational bell system for connecting the patient with the nurses’ station	58 2

¹ values close to high risk (not acceptable); ² high risk (unacceptable).