Retrospective Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Sep 16, 2021; 9(26): 7704-7716
Published online Sep 16, 2021. doi: 10.12998/wjcc.v9.i26.7704
Table 4 Analysis of the causes of maternal sepsis, n (%)

Infected maternal patients, n = 561
Sepsis group, n = 69
Non-sepsis group, n = 492
Statistical value
P value
Surgical history
Placenta previa or accrete63 (4.7)3 (0.6)χ2 = 7.9910.027
Labor induction5715 (21.7)42 (8.2)χ2 = 11.5550.001
Amniocentesis123 (4.3)9 (1.8)χ2 = 0.8280.363
Cervical cerclage73 (4.3)4 (0.8)χ2 = 6.1360.043
Cesarean section729 (13.0)63(12.8)χ2 = 0.0030.956
Number of pathogenic bacterium
06819 (27.5)49 (10.0)
134534 (49.3)311 (63.2)χ2 = 23.873< 0.001
2539 (13.0)44 (8.9)
≥ 3164 (5.8)12 (2.4)
Without pathogen detection793 (4.3)76 (15.4)
Category of pathogenic bacterium
Escherichia coli10125 (36.2)76 (15.4)χ2 = 17.709< 0.001
Staphylococcus328 (11.6)24 (4.9)χ2 = 3.9030.048
GAS93 (4.3)6 (1.2)χ2 = 2.0320.154
GBS101 (1.4)9 (1.8)χ2 = 0.0001
Enterococcus faecalis294 (5.8)25 (5.1)χ2 = 0.0001
Site of infection
Other or unknown152 (2.9)13 (2.6)
Uterine21732 (46.4)185 (37.6)
Respiratory13312 (17.4)121 (24.6)χ2 = 24.395< 0.001
Urinary tract17613 (18.8)163 (33.1)
Placental complications2010 (14.5)10 (2.0)