Table 2: Studies of pregnancy-related stroke since 1985.

Author, yearMethodologyStudy periodPostpartum periodDeliveries N°Total stroke N°Ischemic stroke N°Ischemic stroke incidence (per deliveries)Mortality N° (%)Ischemic stroke mortalityNotes

Wiebers and Whisnant, 1985Retrospective population-based study1955–1979NR2609 9 11NRNRNR *Live births
Simolke et al., 1991Retrospective single hospital-based study1984–1990NR899131571 in 10000'2 (13,3)1 (14,3) *Including also cerebral venous thrombosis
Awada et al., 1995Retrospective hospital-based study1983–199315 daysNR129NR4 (33)1 (11,1)
Sharshar et al., 1995Retrospective and prospective multihospital-based study1989–19922 weeks34829531154,3 per 100 0004 (13)0
Kittner et al., 1996Retrospective population-based study1988–19916 weeks1412433117*11 per 100 000NRNR *Including cerebral venous thrombosis (1 patient)
Witlin et al., 1997Retrospective single hospital-based study1985–19954 weeks79301245NR7 (29,2)NR
Jiagobin and Silver, 2000Retrospective single hospital-based study1980–19976 weeks507113421*41 per 100 0003 (9)0 *Including cerebral venous thrombosis (8 patients);
Skidmore et al., 2001Retrospective hospital-based study1992–199912 weeks584293621NR1 (2,7)1 (4,7)
Ros et al., 2001Retrospective, records from birth register, Sweden1987–19956 weeks1003489NRNR4 per 100 000NRNR
Jeng et al., 2004Retrospective single hospital-based study1984–20026 weeks49796491632,1 per 100 00010 (20)2 (13)
Liang et al., 2006Retrospective single hospital-based study1992–20046 weeks667812611*16,5 per 1000005 (19)1 (9,1) *Including cerebral venous thrombosis (3 patients)

NR: not reported