Table 3

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

Variables	Univariate logistic regression analysis
Variables	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	0.5183
Body mass index (kg/m²)
<25	68	1.0	1.0 (references)	0.0111
≥25	34	2.9615	1.2633 to 6.9425	0.0111
Gestational ages (weeks)
<9	58	1.0	1.0 (references)	0.5226
≥9	44	1.2935	0.5874 to 2.8481	0.5226
Gravidity (n)
<2	37	1.0	1.0 (references)	0.3336
≥2	65	1.4979	0.6573 to 3.4133	0.3336
Parity (n)
<1	60	1.0	1.0 (references)	0.7067
≥1	42	1.1311	0.5941 to 2.1534	0.7067
Systolic blood pressure
<110	44	1.0	1.0 (references)	0.8301
≥110	58	1.0909	0.4926 to 2.4160	0.8301
Diastolic blood pressure
<80	62	1.0	1.0 (references)	0.7915
≥80	40	0.8975	0.4025 to 2.0014	0.7915
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	0.1466
Presence of pelvic pain (n)
No	37	1.0	1.0 (references)	0.1720
Yes	15	2.3529	0.6720 to 8.2390	0.1720
Presence of abdominal cramp (n)
No	31	1.0	1.0 (references)	0.0777
Yes	21	2.7692	0.8732 to 8.7824	0.0777