Table 2.

Comparison of medical risk factors for speech-language delay between study and control groups

Factor	Study group (n=42)	Control group (n=42)	P
Hearing loss	1 (2.4%)	0	1.000***
Persistent otitis media	2 (4.8%)	0	0.494***
Seizure disorder	11 (26.2%)	0	<0.001*
Birth asphyxia	11 (26.2%)	3 (7.1%)	0.019*
Low birth weight	10 (23.8%)	5 (11.9%)	0.15*
Preterm birth	5 (11.9%)	2 (4.8%)	0.433***
Physical (oro-pharyngeal)	7 (16.7%)	0	0.012***

*Chi-square test; **Unpaired t-test; ***Fisher's exact test. Bold: P value <0.05 is statistically significant