Table 1.
Demographic and clinical data of the 40 pregnancy-related listeriosis observed in Lombardy, Italy from 2005 to 2014.
| Characteristics | Number of cases (%) |
|---|---|
| Ethnicity | |
| Italian | 28 (70.0) |
| Foreign | 12 (30.0) |
| Gestational week | |
| 1–12 | 0 (0) |
| 13–24 | 5 (12.5) |
| >24 | 32 (80.0) |
| Unknown | 3 (7.5) |
| Evidence of infection∗ | |
| Only in the mother | 17 (42.5) |
| Only in the foetus/newborn | 19 (47.5) |
| Both | 4 (10.0) |
| Outcome of pregnancy± | |
| Live birth | 26 (70.3) |
| Stillbirth | 4 (10.8) |
| Miscarriage | 7 (18.9) |
| Fatality rate± | 11 (29.7) |
∗Sites of infection with a positive culture were as follows:
(i) Blood (7), placenta (5), liquor (1), others (7), and unknown sites (1) for maternal infection.
(ii) Blood (12), foetal exudate (1), faeces (1), gastric aspirates (1), ear (2), pharynx (2), skin (1), cerebrospinal fluid (1), rectum (1), and others (1) for foetal-neonatal listeriosis.
±The pregnancy outcome was known for 37 cases only.