. 2022 Nov 22;19(23):15443. doi: 10.3390/ijerph192315443

Table A1.

21 epidemiological indicators used to grade the impact of COVID-19 in Italian regions, starting October 2020.

Indicator Type	Indicator Name
Monitoring capability	$\frac{N u m b e r o f s y m p t o m a t i c c a s e s n o t i f i e d i n a g i v e n m o n t h}{T o t a l n u m b e r o f s y m p t o m a t i c c a s e s n o t i f i e d i n t h e s a m e p e r i o d}$
Monitoring capability	$\frac{N u m b e r o f c a s e s w i t h h i s t o r y o f h o s p i t a l a d m i s s i o n i n a g i v e n m o n t h}{T o t a l n u m b e r o f c a s e s w i t h h i s t o r y o f h o s p i t a l a d m i s s i o n i n t h e s a m e p e r i o d}$
Monitoring capability	$\frac{N u m b e r o f i n t e n s i v e c a r e a d m i s s i o n s i n a g i v e n m o n t h}{T o t a l n u m b e r o f i n t e n s i v e c a r e a d m i s s i o n s i n t h e s a m e p e r i o d}$
Monitoring capability	$\frac{N u m b e r o f n o t i f i e d c a s e s b y r e s i d e n c e o r d o m i c i l e}{T o t a l n u m b e r o f c a s e s n o t i f i e d t o t h e s u r v e i l l a n c e s y s t e m i n t h e s a m e p e r i o d}$
Monitoring capability	Number of checklists administered to nursing homes (optional)
Monitoring capability	Number of nursing homes responding to checklists weekly and reporting at least one criticality (optional)
Diagnostic tests and contact tracing	Percentage of positive swabs, excluding screening initiatives and re-tested individuals, overall and divided by macro-setting (primary care, emergency department, hospital) per month
Diagnostic tests and contact tracing	Time elapsed between symptom onset and diagnosis
Diagnostic tests and contact tracing	Time elapsed between symptom onset and the start of isolation
Diagnostic tests and contact tracing	Number, type of professionals and time/person in each primary care service dedicated to contact tracing
Diagnostic tests and contact tracing	Number, type of professionals and time/person in each primary care service dedicated to sample collection and sending to reference labs and monitoring of close contacts and cases in quarantine and isolation
Diagnostic tests and contact tracing	$\frac{N u m b e r o f i n f e c t i o n c a s e s i n t h e r e g i o n f o l l o w e d b y c o n t a c t t r a c i n g}{T o t a l n e w i n f e c t i o n c a s e s}$
Transmission stability and health systems resilience	Number of cases reported to Civil Protection in the last 14 days
Transmission stability and health systems resilience	Rt as calculated by ISS Integrated Surveillance
Transmission stability and health systems resilience	Number of cases reported to the COVID-net network per week (optional)
Transmission stability and health systems resilience	Number of cases by date of diagnosis and date of symptom onset reported to the ISS Integrated Surveillance by day
Transmission stability and health systems resilience	Number of new transmission outbreaks (≥ 2 new related cases or unexpected increase in the number of cases in a defined time and place)
Transmission stability and health systems resilience	Number of new infection cases by Region, not associated to acknowledged transmission chains
Transmission stability and health systems resilience	Number of emergency department accesses with ICD-9 classification compatible with COVID-19 symptoms
Transmission stability and health systems resilience	Intensive care bed occupancy rate for COVID-19 patients
Transmission stability and health systems resilience	Bed occupancy rate for COVID-19 patients in medical wards