Table 2. Predictive value analysis of serum TMAO, NT-probNP and HIF-1α on pregnancy outcome.

Note: Vs. the combination, * P < 0.06.

Indexes	Cut-off<br>point	AUC	SE	95%CI
TMAO, mg/L	17.85	0.640*	0.065	0.514∼0.767
NT-proBNP, pg/L	164.17	0.818*	0.054	0.713∼0.923
HIF-1a, ng/L	141.02	0.803*	0.045	0.715∼0.891
Combination		0.913	0.034	0.847∼0.980