Reduced mechanical function of the left atrial predicts adverse outcome in pregnant women with clustering of metabolic risk factors

Table 3 Left atrial functional parameters assessed based on 2D-STI of participants

Variables	Control (n = 50)	GDM (n = 57)	PIH (n = 57)	CMR (n = 63)	P value	P value^*	P value^**	P value^***
LASr (%)	48.63 ± 6.11	44.38 ± 5.77	40.27 ± 5.94	37.10 ± 4.67	< 0.001	< 0.001	< 0.001	0.014
pLASRr (sec⁻¹)	2.82 ± 0.54	2.67 ± 0.46	2.38 ± 0.54	2.22 ± 0.52	< 0.001	< 0.001	< 0.001	0.632
LAScd (%)	29.86 ± 5.87	26.68 ± 6.14	23.72 ± 6.70	23.00 ± 6.11	< 0.001	< 0.001	0.008	1.000
pLASRcd (sec⁻¹)	3.33 ± 0.60	3.15 ± 0.65	2.77 ± 0.59	2.36 ± 0.75	< 0.001	< 0.001	0.004	< 0.001
LASct (%)	18.75 ± 6.29	17.7 ± 6.68	16.72 ± 6.84	14.10 ± 5.64	0.001	0.001	0.002	0.025
pLASRct (sec⁻¹)	3.42 ± 0.8	3.22 ± 0.62	3.07 ± 0.64	3.05 ± 0.67	0.019	0.033	1.000	1.000

Values are the mean ± standard deviation
LASr, strain during reservoir phase; pLASRr, peak strain rate during reservoir phase; LAScd, strain during conduit phase; pLASRcd, peak strain rate during conduit phase; LASct, strain during contraction phase; pLASRct, peak strain rate during contraction phase. * P, CMR vs. control; ** P, CMR vs. GDM group;*** P, CMR vs. PIH

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