Table 2.

Intention to treat outcomes at follow-up (2-years) for infants in music (n = 24) and standard care (n = 32) groups.

Outcome	Music group	Control group	Odds ratio	P-value
Neurodevelopmental outcome, mean ± SD	(n = 23)	(n = 29)	(95% CI)
Cognitive composition score	102.4 ± 12.3	102.8 ± 12.6	−0.37 (−7.38–6.69)	0.92
Language composition score	92.4 ± 13.5	91.62 ± 17.1	0.08 (−7.98–9.52)	0.86
Receptive language score	9.4 ± 2.6	8.4 ± 2.8	1.01 (−0.50–2.53)	0.19
Expressive language score	8.0 ± 2.5	8.7 ± 3.2	−0.77 (−2.41–0.87)	0.35
Motor composition score	97.7 ± 12.7	97.6 ± 11.8	0.12 (−6.73–6.97)	0.97
Fine motor score	10.7 ± 2.4	11.0 ± 2.4	−0.26 (−1.59–1.07)	0.70
Gross motor score	8.5 ± 2.8	8.4 ± 1.8	0.05 (−1.26–1.36)	0.94
Cerebral palsy, n (%)	1 (4)	1 (3)	0.74 (0.04–12.50)	1.000
GMFCS <2, n (%)	22 (96)	28 (100)*	0.97 (0.87–1.04)	0.45
Therapy ongoing, n (%)	4 (17)	2 (6)	0.33 (0.56–2.00)	0.39
Visual problems, n (%)	2 (8)	1 (3)	0.35 (0.03–4.16)	0.39
Hearing problems, n (%)	0	0	n/a	n/a
Neurodevelopmental impairment, n (%)	8 (33)	10 (31)	0.91 (0.29–2.82)	0.87
Somatic growth, mean ± SD	(n = 23)	(n = 30)	(95% CI)
Weight (kg)	12.3 ± 1.5	12.5 ± 2.3	−0.24 (−1.36–0.88)	0.67
Z-score	0.10 ± 0.90	0.24 ± 1.31	−0.14 (−0.78–0.50)	0.66
Length (cm)	88.4 ± 4.8**	87.8 ± 4.7	0.60 (−2.01–3.22)	0.65
Z-score	0.04 ± 0.89	−0.05 ± 1.06*	0.09 (−0.48–6.59)	0.75
Head circumference (cm)	51.1 ± 10.3	50.2 ± 9.3	0.90 (−4.42–6.22)	0.74
Z score	−0.16 ± 1.30	−0.42 ± 1.56	0.26 (−0.56–1.09)	0.53

SD, standard deviation; CI, Confidence interval; GMFCS, Gross Motor Functions Classification System; n/a, not applicable;

^*n = 28;

^**n = 24; n = 22.