Group B Streptococcus detection in pregnant women: comparison of qPCR assay, culture, and the Xpert GBS rapid test

Table 5 Correlations between obstetric characteristics and GBS positivity

Items	Xpert GBS		qPCR		Culture
Items	Coefficient	^ap-value	Coefficient	^ap-value	Coefficient	^ap-value
Age	− 0.075	0.242	0.036	0.561	0.047	0.464
Educational level	0.013	0.837	0.039	0.531	0.065	0.314
Single or not living with a partner	−0.143	0.025	− 0.059	0.342	− 0.040	0.535
Black ethnicity	0.094	0.141	0.054	0.385	0.037	0.562
Parity	−0.002	0.970	0.012	0.844	−0.091	0.154
Maternal complications	−0.087	0.183	−0.012	0.850	0.071	0.279
Chorioamnionitis	0.027	0.680	0.047	0.456	0.008	0.906
Endometritis	−0.044	0.499	0.061	0.334	−0.027	0.676
Intrapartum fever	0.037	0.573	−0.003	0.964	0.091	0.164
Neonatal complications	0.095	0.146	0.009	0.888	−0.002	0.971
NICU admission	−0.099	0.133	0.011	0.867	−0.031	0.641
Cause of NICU admission
Sepsis	0.035	0.761	−0.053	0.629	0.061	0.587
Prematurity	0.242	0.031	−0.111	0.310	−0.003	0.976
Respiratory distress	−0.101	0.371	−0.028	0.800	−0.153	0.172
Ischemic–hypoxic encephalopathy	0.195	0.083	0.104	0.343	0.282	0.011
Hypothermia protocol	0.097	0.139	0.061	0.334	0.156	0.017

qPCR real-time polymerase chain reaction; n, absolute frequency, % relative frequency, NICU Neonatal Intensive Care Unit, p index of statistical significance
^aSpearman correlations. Significance set at 5% for all analyses
p value < 0,05 has statistical significance

ISSN: 1471-2393