Urinary Levels of IL-1β and GDNF in Preterm Neonates as Potential Biomarkers of Motor Development: A Prospective Study

Table 3

Association between clinical features and motor development results in TIMP.

Variables	Lower than expected ()	Typical development ()	values
Maternal age	27.50 (24.75; 36.0)	24.00 (18.75; 28.0)	0.008^2
Gestacional age^#	31 ± 1	30 ± 1	0.387^1
Birth weight^#	1548.8 ± 479.88	1388.61 ± 347.61	0.274^1
1-minute Apgar	7.00 (6.00; 8.00)	8.00 (5.00; 8.00)	0.967^2
5-minute Apgar	9.00 (7.00; 9.00)	9.00 (9.00; 10.00)	0.079^2
Sex^#
Female	7 (38.9)	11 (61.1)	0.064^2
Male	15 (68.2)	7 (31.8)

^#Values expressed as mean and standard deviation for continuous variables. Number of individuals and percentages for categorical variables. Median values (quartile 1; quartile 3). ¹Student’s t-test. ²Mann–Whitney test.