Contribution of Enteroviruses to Acute Central Nervous System or Systemic Infections in Northern Italy (2015-2017): Is It Time to Establish a National Laboratory-Based Surveillance System?

Table 1

Distribution of CSF samples and EV-positive CSF samples by age group, gender, and year of study.

		No. (%) of CSF samples	No. (%) of EV-positive CSF samples
Median age [Q1-Q3] (year)		40.2 [5.9-69.7]	3.7 [0-4.5]
Gender	Male	302 (51.9%)	16 (61.5%)
	Female	280 (48.1%)	10 (38.5%)
Children	0-3 months	79 (13.6%)	14 (53.8%)
	4-12 months	20 (3.4%)	3 (11.5%)
	1-6 years	49 (8.4%)	4 (15.4%)
	6-15 years	47 (8.1%)	3 (11.4%)
	Total	195 (33.5%)	24 (92.3%)
Adults	16-65 years	219 (37.6%)	2 (7.7%)
	>65 years	168 (28.9%)	0 (0%)
	Total	387 (66.5%)	2 (7.7%)
Year of study	2015	183 (32.5%)	10 (38.5%)
	2016	222 (38.1%)	7 (26.9%)
	2017	171 (29.4%)	9 (34.6%)
	Total	582 (100%)	26 (100%)