Table 4.

Incidence of Neurodevelopmental Abnormalities at 2 to 3 Years for Each Cumulative SNAP Score Quartile Group

Group I
<25th Percentile
n = 17/24
Group II
25–75th Percentile
n = 42/49
Group III
>75th Percentile
n = 21/23
Any neurodevelopmental abnormality, n (%)5  (29.4)12  (28.6)14  (66.7)**
2-Year MDI < 700  (0.0)5  (11.9)7  (33.3)*
2-Year PDI < 702  (11.8)4  (9.5)8  (38.1)**
REEL (receptive) < 0.751  (5.9)8  (19.0)5  (23.8)
REEL (expressive) < 0.752  (11.8)5  (11.9)5  (23.8)
Cerebral palsy1  (5.9)3  (7.1)8  (38.1)**
  • ** Significant difference between group III and group II.

  • * Significant difference between group III and group I.

    n indicates number of infants in each group seen at 2 to 3 years in follow-up.