Table 2.
Rates of Each Component of Neurodevelopmental Impairment.
| Component | No NDI | Potential/Mild NDI | Moderate NDI | Severe NDI |
|---|---|---|---|---|
| (N = 825) | (N = 1576) | (N = 657) | (N = 425) | |
| n (%) | n (%) | n (%) | n (%) | |
| Bayley-III Cognitive | ||||
| Score 100+ | 825 (100) | 117 (7) | 3 (0) | 13 (3)a |
| Score 85–99 | – | 1459 (93) | 27 (4) | 27 (7)a |
| Score 70–84 | – | – | 627 (95) | 35 (9)a |
| Score <70 | – | – | – | 329 (81)a |
| GMFCS level | ||||
| Level 0 | 825 (100) | 1202 (76) | 407 (62) | 109 (26)b |
| Level 1c | – | 374 (24) | 170 (26) | 105 (25)b |
| Level 2–3 | – | – | 80 (12) | 122 (29)b |
| Level 4–5 | – | – | – | 88 (21)b |
| CP level | ||||
| None | 825 (100) | 1475 (94) | 541 (82) | 219 (52)b |
| Mild | – | 101 (6) | 76 (12) | 37 (9)b |
| Moderate | – | – | 40 (6) | 79 (19)b |
| Severe | – | – | – | 89 (21)b |
| Blindness | – | – | – | 51 (12)d |
| Deafness | – | – | – | 102 (24)e |
Bayley-III Bayley Scales of Infant and Toddler Development, third edition, GMFCS Gross Motor Function Classification Scale, CP cerebral palsy.
aOf 404 children (21 children with severe NDI did not have Bayley-III cognitive scores).
bOf 424 children (1 child with severe NDI did not have data on GMFCS score or CP).
cIncludes “possible level 1”.
dOf 421 children (4 children with severe NDI did not have data on vision).
eOf 423 children (2 children with severe NDI did not have data on hearing).