Table 4.

Griffiths Mental Development Scale (GMDS) scores.

	Chronological age Mean ±SD	Corrected age Mean ± SD	EP chronological age Mean ±SD	LP chronological age Mean ±SD	p -Value	EP correct age Mean ±SD	LP correct age Mean ±SD	p -Value
General development (Q)	87.0 ±15.7	98.4 ± 19.2	86.5 ±14.4	87.7 ±17.6	0.766	99.3 ± 17.7	97.2 ± 21.4	0.687
Locomotor (Q)	91.3 ±18.4	116.8 ± 106.2	91.0 ± 16.2	91.6 ± 21.2	0.909	104.0 ± 18.5	134.5 ± 162.7	0.350
Personal-social (Q)	88.3 ± 17.7	99.4 ± 21.3	88.0 ± 16.6	88.7 ± 19.3	0.890	100.7 ± 20.4	97.6 ± 22.9	0.586
Hearing and language (Q)	82.3 ±22.6	93.3 ± 25.3	78.4 ±20.4	89.7 ± 24.2	0.055	90.0 ± 24.3	97.8 ± 26.4	0.239
Eye-hand coordination (Q)	85.8 ± 17.2	96.8 ± 21.2	86.8 ± 15.0	84.6 ± 20.1	0.633	99.2 ± 18.3	93.5 ± 24.7	0.323
Performance (Q)	87.6 ± 19.0	98.9 ± 23.2	90.0 ± 19.2	84.5 ± 18.8	0.262	103.1 ± 23.2	93.0 ± 22.3	0.087

Data in bold resulted below the normal range.

Q, quotient; EP, early preterm group; LP, late-preterm group.