Table 4 Rates of developmental impairment
n (%) | n (%) | ||
|---|---|---|---|
Group 1 | Bayley-II | Griffiths | |
Cognitive-Language abilitiesa within normal limits | 40 (43.5) | 54 (58.7) | |
Cognitive-Language abilitiesa mild impairment | 21 (22.8) | 20 (21.7) | |
Cognitive-Language abilitiesa severe impairment | 31 (33.7) | 18 (19.6) | |
Motor abilitiesb within normal limits | 53 (57.6) | 66 (71.7) | |
Motor abilitiesb mild impairment | 13 (14.1) | 14 (15.2) | |
Motor abilitiesb severe impairment | 26 (28.3) | 12 (13.0) | |
Group 2 | Bayley-III | Griffiths | |
Cognitive-Language abilitiesc within normal limits | 78 (76.5) | 74 (72.6) | |
Cognitive-Language abilitiesc mild impairment | 16 (15.7) | 17 (16.7) | |
Cognitive-Language abilitiesc severe impairment | 8 (7.8) | 11 (10.8) | |
Motor abilitiesd within normal limits | 84 (82.4) | 77 (75.5) | |
Motor abilitiesd mild impairment | 7 (6.9) | 15 (14.7) | |
Motor abilitiesd severe impairment | 11 (10.8) | 10 (9.8) | |
n (%) | n (%) | n (%) | |
Bayley-III | Griffiths | ||
Group 2-for single subscales | |||
Cognitive abilitiese within normal limits | 87 (85.3) | 74 (72.5) | |
Cognitive abilitiese mild impairment | 8 (7.8) | 16 (15.7) | |
Cognitive abilitiese severe impairment | 7 (6.9) | 12 (11.8) | |
Language abilitiesf within normal limits | 75 (73.5) | 75 (73.5) | |
Language abilitiesf mild impairment | 17 (16.7) | 12 (11.8) | |
Language abilitiesf severe impairment | 10 (9.8) | 15 (14.7) | |
Motor abilitiesg within normal limits | 84 (82.4) | 73 (71.6) | 84 (82.4) |
Motor abilitiesg mild impairment | 7 (6.9) | 8 (7.8) | 9 (8.8) |
Motor abilitiesg severe impairment | 11 (10.8) | 21 (20.6) | 9 (8.8) |