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Table 2 Birth size by mothers or fathers H19 2992 genotype (ALSPAC cohort)

From: Common polymorphism in H19 associated with birthweight and cord blood IGF-II levels in humans

Mothers genotype

CC

CT

TT

PA

PD

 

(n = 550)

(n = 242)

(n = 30)

  

Weight (gm)

3457 ± 474

3543 ± 508

3595 ± 485

0.003

0.003

Length (cm)

50.7 ± 2.0

51.0 ± 1.9

51.1 ± 1.8

0.04

0.04

Head circ. (cm)

34.8 ± 1.2

35.1 ± 1.3

34.9 ± 1.4

0.07

0.03

 

(n = 164)

(n = 61)

(n = 9)

  

Cord IGF-II (ng/dl)

266 ± 72

312 ± 99

312 ± 92

0.0003

0.0001

Fathers genotype

CC

CT

TT

PA

PD

 

(n = 442)

(n = 201)

(n = 18)

  

Weight (gm)

3492 ± 491

3474 ± 472

3537 ± 519

0.9

0.7

Length (cm)

50.8 ± 1.9

50.8 ± 1.9

51.1 ± 1.7

0.8

0.9

Head circ. (cm)

34.9 ± 1.2

34.9 ± 1.2

35.0 ± 1.2

0.9

0.7

 

(n = 76)

(n = 37)

(n = 3)

  

Cord IGF-II (ng/dl)

270 ± 75

290 ± 93

245 ± 96

0.5

1.0

  1. Mean ± SD, adjusted for sex, gestation and parity.
  2. PA = P value for additive genetic model (per T allele)
  3. PD = P value for dominant genetic model (CC versus T/*)