Neurodevelopmental outcome of extremely low birth weight infants at 24 months corrected age: a comparison between Griffiths and Bayley Scales

Table 3 Concordance between Griffiths and Bayley-II (Group 1) or Bayley-III (Group 2)

	Concordance (%)	Weighted K	C.I. 95 % of K
Group 1
Cognitive-Language abilities^a	70.7	0.63	0.51–0.75
Motor abilities^b	67.4	0.50	0.35–0.65
Group 2
Cognitive-Language abilities^c	89.2	0.80	0.69–0.92
Motor abilities^d	90.2	0.81	0.69–0.93

^aGriffiths Hearing and Speech-Performance Quotients (mean) vs Bayley-II MDI
^bGriffiths Locomotor-Eye and Hand Coordination Quotients (mean) vs Bayley-II PDI
^cGriffiths Hearing and Speech-Performance Quotients (mean) vs Bayley-III Cognitive-Language Composite Scores (mean)
^dGriffiths Locomotor-Eye and Hand Coordination Quotients (mean) vs Bayley-III Motor Composite Score

ISSN: 1471-2431