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 2 Comparisons of demographic and clinical characteristics between the sepsis group and the non-sepsis group, n (%)

Infected maternal patients, n = 561
Sepsis group, n = 69
Non-sepsis group, n = 492
Statistical value
P value
Demographic information
Age [yr, (IQR)]29 (25, 33)28 (24, 33)29 (26, 33)z = -0.6040.546
Migrant population
Yes10521 (30.4)84 (17.1)χ2 = 7.1010.008
No45648 (69.4)408 (82.9)
Employment status
No10531 (44.9)74 (15.0)χ2 = 35.529< 0.001
Yes45638 (55.1)418 (85.0)
Marital status
Married52457 (82.6)467 (94.9)χ2 = 12.954< 0.001
Single or divorced3712 (17.4)25 (5.1)
Ethnicity
Han55366 (95.7)487 (99.0)χ2 = 4.7780.063
Minorities83 (4.3)55 (1.0)
Education level
> 12 yr15611 (15.9)145 (29.5)
7-12 yr36548 (69.6)317 (64.4)χ2 = 9.6560.008
≤ 6 yr4010 (14.5)30 (6.1)
Insurance status
Yes19314 (20.3)179 (36.4)χ2 = 6.9440.008
Self-pay36855 (85.1)313 (63.6)
Type of admission
Outpatient25115 (21.7)236 (48.0)
ER7510 (14.5)65 (13.2)χ2 = 18.369< 0.001
Transfer 23541 (63.8)191 (38.8)
Prenatal care
Regular31020 (29.0)290 (58.9)χ2 = 22.257< 0.001
Irregular12523 (33.3)102 (20.7)
Lack of prenatal care 12626 (37.3)100 (20.3)
Gestational age32.00 (26.15, 38.00)29.20 (21.05, 38.35)32.00 (27.23, 38.00)Z = -2.2960.022
Gestational age
< 14185 (7.2)13 (2.6)
14–27+614427 (39.1)117(23.8) χ2 = 11.6520.003
≥ 2839937 (53.6)362 (73.6)
Premature rupture of membranes
No42251 (73.9)371(75.4)χ2 = 0.0720.788
Yes13918 (26.1)121 (24.6)
Surgical history
No40642 (60.9)364 (74.0)χ2 = 5.2050.023
Yes15527 (39.1)128 (26.0)
Fever
Antepartum27238 (55.1)234 (47.6)
Intrapartum312 (2.9)29 (5.9)χ2 = 55.986< 0.001
Postpartum11129 (42.0)82 (16.7)
No1470 (0)147 (29.9)
Gestational complications
Multiple pregnancy
No49463 (91.3)431 (87.6)χ2 = 0.7890.374
Yes676 (8.7)61 (12.4)
Gestational diabetic or diabetes
No49865 (94.2)433 (88.0) χ2 = 2.3290.127
Yes634 (5.8)59 (12.0)
Gestational hypertension
No47965 (94.2)414 (84.1)χ2 = 4.9040.027
Yes824 (5.8)78 (15.9)
Placenta previa or accrete
No51354 (78.3)459 (93.3)χ2 = 17.476< 0.001
Yes4815 (21.7)33 (6.7)
Thyroid disease
No53965 (94.2)474 (96.3)χ2 = 0.2770.391
Yes224 (5.8)18 (3.7)