. 2018 Aug 6;6:e5353. doi: 10.7717/peerj.5353

Table 3. Significance of correlation between the antibiotic resistances of different samples classification based of Chi-squared test.

	P-values (P < 0.05 = rejectnull)^a^,^b
Groups^c	AMP 10	P 10	TEC 30	E 5	TET 30	CIP 5	ENR 5	C 30	LZD 30	CN 10	CN 120
E. faecalis:
Host	x	x	x	x	0.007	x	x	x	0.014	x	x
Biofilm	0.002	x	x	x	x	x	x	x	x	0.031	0.023
Matrix	x	x	x	0.001	0.010	0.006	x	x	0.006	x	0.018
Region	0.006	x	x	x	x	x	x	x	x	x	0.001
Hygiene	x	x	x	x	x	x	x	x	x	x	0.010
Virulotypes	x	0.030	x	x	x	x	x	0.001	0.018	x	x
E. faecium:
Host	0.002	0.001	x	x	x	x	x	x	x	x	x
Biofilm	x	0.015	x	x	x	x	x	x	x	x	0.038
Matrix	0.033	x	x	x	x	x	0.010	x	0.007	x	0.006
Region	0.023	x	x	0.040	x	x	x	x	x	x	x
Hygiene	x	0.032	x	x	0.035	x	0.004	x	x	x	x
Virulotypes	x	0.030	x	x	x	x	x	0.001	0.018	x	x

Notes.

AMP, ampicillin; P, penicillin; TEC, teicoplanin; E, erythromycin; TET, tetracycline; ENR, enrofloxacin; CIP, ciprofloxacin; C, chloramphenicol; LZD, linezolid; CN, gentamicin.

x, No significant correlation.

Subject, human host and swine host; Biofilm refers to biofilm former and non-former; Matrix, oral, rectal, nasal, urine and fecal; Region, northern region and central region; hygiene, HP1, HP2, HP3.