Table 3.

The comparison of the resistance of diarrheagenic Escherichia coli isolated from diarrhea cases and non–diarrhea subjects (age stratification)

Antibiotics	All age groups				<  5 years				≥ 5 years
	Diarrhea n = 127 n (%)	Control n = 9 n (%)	χ 2	P value	Diarrhea n = 93 n (%)	Control n = 5 n (%)	χ 2	P value	Diarrhea n = 34 n (%)	Control n = 4 n (%)	χ 2	P value
AMP	100 (78.74)	8 (88.89)	–	0.294*	78 (83.87)	5 (100.00)	–	0.428*	22 (64.71)	3 (75.00)	–	0.405*
AMC	47 (37.01)	4 (44.44)	–	0.245*	33 (35.48)	1 (20.00)	–	0.318*	14 (41.18)	3 (75.00)	–	0.194*
CEP	38 (29.92)	4 (44.44)	–	0.184*	33 (35.48)	2 (40.00)	–	0.348*	5 (14.71)	2 (50.00)	–	0.132*
CTX	23 (18.11)	3 (33.33)	–	0.166*	21 (22.58)	2 (40.00)	–	0.252*	2 (5.88)	1 (25.00)	–	0.266*
GEN	39 (30.71)	5 (55.56)	–	0.091*	29 (31.18)	3 (60.00)	–	0.157*	10 (29.41)	2 (50.00)	–	0.291*
NAL	65 (51.18)	6 (66.67)	–	0.187*	52 (55.91)	3 (60.00)	–	0.349*	13 (38.24)	3 (75.00)	–	0.167*
CIP	7 (5.51)	3 (33.33)	–	0.018*	6 (6.45)	0 (0.00)	–	0.724*	1 (2.94)	3 (75.00)	–	0.002*
TCY	88 (69.29)	5 (55.56)	–	0.192*	64 (68.82)	3 (60.00)	–	0.328*	24 (70.59)	2 (50.00)	–	0.291*
REP	124 (97.64)	9 (100.00)	–	0.813*	91 (97.85)	5 (100.00)	–	0.900*	33 (97.06)	4 (100.00)	–	0.895*
SXT	79 (62.20)	5 (55.56)	–	0.250*	62 (66.67)	2 (40.00)	–	0.178*	17 (50.00)	3 (75.00)	–	0.278*

Notes: 1: AMP Ampicillin, AMCAmoxicillin and Clavulafiate, CEP Cephalothin, CTX Cefotaxime, GEN Gentamicin, NAL Nalidixic acid, CIP Ciprofloxacin, TCY Tetracycline, REP Rifampicin, SXT Sulfamethoxazole–Trimethoprim

2: The “–” means that the data cannot be calculated, the “*” means that the data was calculated with Fisher exact

3: The bold was showed there had significant difference between two groups