Table 2 Associations between inter-twin growth discordance and the risk for GH or PE (n = 4396)

From: Impact of inter-twin growth discordance on preeclampsia: based on ultrasonic estimated fetal weight

GH or PE a

n (%)

10%

15%

20%

P for trend

ORb

95%CI

OR

95%CI

OR

95%CI

GH or PE

745(17.0)

1.127

(1.015,1.252)

1.149

(1.037,1.272)

1.167

(1.057,1.287)

<0.001

PE

611(13.9)

1.133

(1.012,1.268)

1.173

(1.050,1.311)

1.190

(1.068,1.327)

<0.001

Early PE

133(21.8)

1.395

(1.082,1.798)

1.453

(1.115,1.893)

1.486

(1.154,1.913)

<0.001

Late PE

478(78.2)

1.083

(0.959,1.223)

1.121

(0.995,1.262)

1.135

(1.010,1.276)

0.053

Mild PE

273(44.7)

1.071

(0.918,1.250)

1.155

(0.990,1.349)

1.172

(1.006,1.366)

0.087

Severe PE

338(55.3)

1.188

(1.021,1.381)

1.186

(1.023,1.375)

1.203

(1.042,1.389)

<0.001

  1. aGH: gestational hypertension, PE: preeclampsia
  2. bAdjusted for maternal age, chronicity, gravidity, parity, pre-pregnancy BMI (kg/m2), gestational weeks at ultrasound measurement, the use of assisted reproduction technologies, and gestational diabetes mellitus
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