Table 3. Distribution of 82 C. perfringens isolates in fecal samples of infants according to their age.

Age group*	Colonized infants no. (%)	P-value	OR (95%CI)
1-29 days	47/213 (22.1)	0.001	0.437 (0.256, 0.746)
1-3 months	17/40 (42.5)	0.019	2.24 (1.127, 4.451)
4-6 months	14/32 (43.7)	0.025	2.31(1.091, 4.894)
7-9 months	3/11 (27.3)	>0.999	1.006 (0.260, 3.889)
10-12 months	1/6 (16.7)	0.964	0.531 (0.061, 4.613)
Total	82/302 (27.2)

OR - odds ratio; 95%CI - 95% confidence interval.

^*1-6 months 78/285 (p-value=0.004)