Table 3. Compare GBS sreening results between two media CHROMagar^TM StrepB (CHROM-B) and blood agar (BA)

Media	Day	GBS (+)		p - value
Media	Day	n	%	p - value
CHROM - B	D1 (18h)	36	13.95	0.298
CHROM - B	D2 (42h)	47	18.22	0.001
BA	D2 (48h)	31	12.02