Chlamydia and gonorrhoea in pregnant Batswana women: time to discard the syndromic approach?

BMC Infectious Diseases

Table 1 Three levels of risk scores: Variables included and their respective weights

Variables included		Sociodemographic score	Clinical score	Microscopy score
		Weight*	Weight	Weight
Sociodemographic factors
Age	<20	21	24	24
	20–29	13	14	14
	30+	0	0	0
Education	Primary school	10	12	11
	Junior secondary school	6	7	6
	Senior secondary or higher	0	0	0
Length of relationship	1 year or less	5	-	-
	Between 1 and 2 years	2	-	-
	2 years and more	0	-	-
Marital status	Unmarried	12	-	-
	Married	0	-	-
Clinical factors
Amount of discharge	Moderate/profuse	-	2	2
	Scarce	-	0	0
Thin/runny discharge	Yes	-	8	8
	No	-	0	0
Smelly discharge	Yes	-	5	4
	No	-	0	0
Cervix abnormal	Yes	-	3	2
	No	-	0	0
Microscopy results
White blood cell count in cervical smear	3–4+	-	-	14
	2+	-	-	10
	1+	-	-	7
	No/few	-	-	0
Cut-off at 40% sensitivity		Score >32	Score >28	Score >36
Cut-off at 70% sensitivity		Score >30	Score >21	Score >29

*The log of the OR from the correspondent multiple logistic regression analysis for each of the variables, multiplied by 10 and rounded to the nearest whole number

ISSN: 1471-2334