Table 4.

Crude and Adjusted Relative Ratios for Early Miscarriage

	Crude RR (95% CI)	p	Adjusted RRa (95% CI)	p
Age (years)
>35 vs. ≤35	25.20 (2.55–249.00)	0.006	43.39 (2.15–692.53)	0.008
BMI (kg/m2)
<18.5 vs. >24	0.67 (0.06–7.23)	0.739	2.96 (0.05–174.47)	0.602
18.5–23.9 vs. >24	0.42 (0.12–1.45)	0.172	1.57 (0.22–11.32)	0.653
Central obesity
Yes vs. No	7.50 (2.06–27.25)	0.002	16.87 (2.15–132.70)	0.007
Insulin resistance
Yes vs. No	1.95 (0.60–6.34)	0.267	1.02 (0.21–4.95)	0.983
Hyperandrogenism
Yes vs. No	1.67 (0.42–6.64)	0.469	1.35 (0.24–7.59)	0.732

^aAdjusted for age, BMI, central obesity, insulin resistance and hyperandrogenism.

RR, relative ratio; CI, confidence interval.