Table 4.

Test utility in infection stillbirth cases

Test Utility in Stillbirths with a Possible or Probable Infection Cause of Death
Test	Total Tested N (% of total infection cases)	Positive Result N (% of cases tested)	Pertinent Positive Result* N (% of cases tested)	Normal Placental Pathology and Autopsy with Positive Screening Test N (% of cases tested)
Placental Pathology	66 (100)	63 (96)	59 (89)	NA
Fetal Autopsy	66 (100)	36 (55)	36 (55)	NA
Parvovirus Serology	55 (83)	5 (9)	2 (4)	3 (6)
Syphilis Testing	65 (99)	1 (2)	1 (2)	0
Cytomegalovirus Serology	11 (17)	2 (18)	2 (18)	0
Herpes Simplex Virus Serology	16 (24)	2 (13)	1 (6)	0
Fetal Cultures	47 (71)	35 (75)	25 (53)	0
Placental Cultures	5 (8)	5 (100)	1 (20)	0

^*A pertinent positive result is a test result which confirms a clinically suspected cause of death or one which identifies a potential cause of death. Reference 10 describes the methodology behind our assessment of test utility in stillbirth evaluation.