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Table 2 Griffiths vs Bayley-II – Bayley-III

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

  Mean (C.I. 95 %) Mean (C.I. 95 %)
Group 1 Griffiths Bayley-II
Cognitive-Language abilitiesa 86.0 (82.0–89.9) 79.4 (74.7–84.0)
Motor abilitiesb 91.7 (87.9–95.5) 83.8 (79.6–87.9)
Group 2 Griffiths Bayley-III
Cognitive-Language abilitiesc 90.3 (87.2–93.5) 90.2 (87.6–92.8)
Motor abilitiesd 91.8 (88.4–95.2) 93.0 (89.6–96.4)
  1. aGriffiths Hearing and Speech-Performance Quotients (mean) vs Bayley-II MDI
  2. bGriffiths Locomotor-Eye and Hand Coordination Quotients (mean) vs Bayley-II PDI
  3. cGriffiths Hearing and Speech-Performance Quotients (mean) vs Bayley-III Cognitive-Language Composite Scores (mean)
  4. dGriffiths Locomotor-Eye and Hand Coordination Quotients (mean) vs Bayley-III Motor Composite Score