Skip to main content

Table 4 The multivariate stepwise regression analysis model incorporating restricted cubic splines for EMT in association with HDP rate

From: Endometrial thickness is an independent risk factor of hypertensive disorders of pregnancy: a retrospective study of 13,458 patients in frozen-thawed embryo transfers

EMT (cm)

Overall

Natural cycle

Artificial cycle

Unadjusted

Adjusted

Unadjusted

Adjusted

Unadjusted

Adjusted

0.6

2.42 (1.55–3.77)

2.58 (1.63–4.09)

1.69 (0.79–3.59)

1.71 (0.79–3.74)

2.38 (1.31–4.36)

2.75 (1.48–5.09)

0.7

1.93 (1.39–2.69)

2.03 (1.44–2.86)

1.48 (0.84–2.61)

1.50 (0.84–2.68)

1.89 (1.22–2.94)

2.10 (1.34–3.29)

0.8

Ref

Ref

Ref

Ref

Ref

Ref

0.9

0.86 (0.80–0.92)

0.86 (0.80–0.93)

0.88 (0.74–1.05)

0.88 (0.74–1.06)

0.89 (0.80–1.00)

0.87 (0.77–0.98)

1.0

0.85 (0.70–1.02)

0.90 (0.75–1.09)

0.89 (0.67–1.18)

0.88 (0.66–1.17)

1.00 (0.73–1.36)

0.91 (0.67–1.25)

1.1

0.78 (0.64–0.96)

0.89 (0.72–1.11)

1.01 (0.72–1.42)

0.96 (0.68–1.36)

1.05 (0.79–1.38)

0.90 (0.68–1.20)

1.2

0.72 (0.57–0.91)

0.86 (0.68–1.10)

1.09 (0.78–1.53)

1.00 (0.71–1.41)

0.97 (0.72–1.30)

0.82 (0.60–1.10)

1.3

0.81 (0.65–1.01)

1.02 (0.81–1.29)

1.31 (0.95–1.81)

1.21 (0.87–1.68)

0.85 (0.54–1.33)

0.71 (0.45–1.12)

1.4

0.95 (0.70–1.28)

1.24 (0.90–1.71)

1.62 (1.11–2.37)

1.54 (1.04–2.27)

0.75 (0.37–1.49)

0.62 (0.31–1.24)

1.5

1.10 (0.70–1.73)

1.51 (0.95–2.42)

2.01 (1.19–3.40)

1.96 (1.15–3.36)

–

–

1.6

1.28 (0.70–2.37)

1.84 (0.98–3.47)

2.50 (1.23–5.05)

2.50 (1.21–5.16)

–

–

  1. EMT Endometrial thickness