Comparison of neurosensory disabilities at 14 years of age in extremely low birthweight (ELBW) and normal birthweight (NBW) children
| ELBW (n=79) | NBW (n=42) | ||
| Severe | 11 (13.9%) | 1 (2.4%) | |
| Five blind (one IQ −4 SD; one IQ −4 SD and severe CP) | One severe CP and IQ −4 SD | ||
| One severe CP and IQ −4 SD | |||
| Five IQ <−3 SD (one deaf, one moderate CP, one mild CP) | |||
| Moderate | 12 (15.2%) | 0 (0%) | |
| Three deaf | |||
| One moderate CP | |||
| Eight IQ −3 SD to <−2 SD (one mild CP) | |||
| Mild | 20 (25.3%) | 6 (14.3%) | |
| Two mild CP | Six IQ −2 SD to <−1 SD | ||
| 18 IQ −2 SD to <−1 SD | |||
| Nil | 36 (45.6%) | 35 (83.3%) | |
Mann-Whitney U test for distribution of disabilities between groups; Z=4.0, p<0.0001.
IQ, Iintelligence quotient; CP, cerebral palsy.