Table 3.

- Possible confounding factors associated with fibrinogen/albumin ratio values.

Variables	Univariate logistic regression analysis
	n	OR	95% CI	P-value
Age (year)
<30	49	1.0	1.0 (references)	0.5183
≥30	53	1.2946	0.5908 to 2.8369
Body mass index (kg/m2)
<25	68	1.0	1.0 (references)	0.0111
≥25	34	2.9615	1.2633 to 6.9425
Gestational ages (weeks)
<9	58	1.0	1.0 (references)	0.5226
≥9	44	1.2935	0.5874 to 2.8481
Gravidity (n)
<2	37	1.0	1.0 (references)	0.3336
≥2	65	1.4979	0.6573 to 3.4133
Parity (n)
<1	60	1.0	1.0 (references)	0.7067
≥1	42	1.1311	0.5941 to 2.1534
Systolic blood pressure
<110	44	1.0	1.0 (references)	0.8301
≥110	58	1.0909	0.4926 to 2.4160
Diastolic blood pressure
<80	62	1.0	1.0 (references)	0.7915
≥80	40	0.8975	0.4025 to 2.0014
Type of vaginal bleeding
Spotting, pink or red	44	1.0	1.0 (references)	0.1466
Like a menstruation	8	3.2857	0.5966 to 18.0972
Presence of pelvic pain (n)
No	37	1.0	1.0 (references)	0.1720
Yes	15	2.3529	0.6720 to 8.2390
Presence of abdominal cramp (n)
No	31	1.0	1.0 (references)	0.0777
Yes	21	2.7692	0.8732 to 8.7824

OR: odd ration, CI: confidence interval