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Table 1 Study group characteristics, final samples (mean/standard deviation)

From: Hypersensitive pupillary light reflex in infants at risk for autism

Measure

HR n= 29

LR n= 15

Pairwise comparison ( P value a )

Age (days)

312/15

313/14

.807

MSELb total score

99/13

98/11

.887

MSEL VRc

53/9

54/9

.738

MSEL FMd

56/10

55/10

.720

MSEL RLe

45/11

44/11

.911

MSEL ELf

43/10

43/10

.996

SESg

−0.1/1.0

0.1/1.0

.598

Eye colorh

1.5/1.0

1.3/0.9

.656

  1. aIndependent samples t-test; bMullen Scales of Early Learning (MSEL); cvisual reception (VR) subscale; dfine motor (FM) subscale; ereceptive language (RL) subscale; fexpressive language (EL) subscale; gsocioeconomic status (SES), calculated on the basis of parental education and income (equal weight), expressed as z-score; hExperimenter rated (0 to 3, 3 = darkest); high risk (HR); low risk (LR).