Table 2. Antibiotic sensitivity of S. aureus, S. epidermidis, Str. mitis and Str. oralis.

	Trimethoprim/sulfamethoxazole	Vancomycin	Clindamycin	Gentamycin	Tetracyclin	Erythromycin	Teicoplanin	Ampicillin	Penicillin G	Ceftriaxone
S. epidermidis 88 strains (19%)
Drug sensitivity
Number	81	88	49	80	42	46	NA	NA	NA	NA
%	92	100	56	91	48	52	NA	NA	NA	NA
Drug resistance
Number	3	0	19	2	23	42	NA	NA	NA	NA
%	8	0	44	9	52	48	NA	NA	NA	NA
Str. mitis and Str. oralis 67 strains (13.8%)
Drug sensitivity
Number	NA	66	40	NA	NA	NA	NA	35	48	40
%	NA	99	60	NA	NA	NA	NA	52	72	60
Drug resistance
Number	NA	1	27	NA	NA	NA	NA	32	19	27
%	NA	1	40	NA	NA	NA	NA	48	28	40
S. aureus 31 strains (6.4%)
Drug sensitivity
Number	29	31	27	29	23	26	31	NA	NA	NA
%	94	100	87	94	74	84	100	NA	NA	NA
Drug resistance
Number	2	0	4	2	8	5	0	NA	NA	NA
%	6	0	13	6	26	16	0	NA	NA	NA
Treatment cost (PLN)
Route of administration	i.v.	i.v.	i.v.	i.v.	p.o.	p.o.	i.v.	i.v.	i.v.	i.v.
1 day	8.3	31.4	23.26	3.02	6.32	5.96	172.37	12.12	13.42	13.42
7 days	58.1	219.8	162.82	21.14	44.24	41.72	1206.59	84.84	93.94	93.94
10 days	83	314	232.6	30.2	63.2	59.6	1723.7	121.2	134.2	134.2
14 days	116.2	439.6	325.64	42.28	88.48	83.44	2413.18	169.68	187.88	187.88

Abbreviations: i.v., intravenous; NA, not available; p.o, per os. oral administration.