Table 2.

Frequency and distribution of detected pathogens by patient group and diagnostic method

	Study Group (SG) (n = 100)*	Control Group (CG) (n = 100)*	p	FRI (Infection) (n = 72)*	No Infection (n = 87)*	p-value	Suspected FRI (n = 41)*	Sonication (n = 200)*	Standardculture (n = 200)*	Tissue homogeni-zation (n = 200)*
CoNS	60	47	0.89	64	16	< 0.001	27	77	74	60
Cutibacterium acnes	31	14	0.006	27	6	< 0.001	12	34	32	23
Staph. aureus	0	3	0.094	3	0	0.091	0	3	2	3
Other gram-positive pathogens	17	22	0.131	16	9	0.05	14	27	22	19
Other gram-negative pathogens	6	5	1.0	6	2	0.142	3	8	7	6

CoNS, Coagulase-negative staphylococci

*number of patients