UCSF Adult Inpatient Susceptibility Data

UCSF Adult Inpatient Susceptibility Data (Gram-Positives)1 

R-testing not applicable to organism and should be considered resistant, AMP-ampicillin, CLIN-clindamycin, CTRX-ceftriaxone, DAP-daptomycin, DOX-doxycycline, LZD-linezolid, NAF-nafcillin, PCN-penicillin G, T/S-trimethoprim/sulfamethoxazole, VANC-vancomycin 

Total isolates include floor isolates and ICU isolates from Parnassus, MB Adult, and MZ 
Reported as % susceptible, tested from all sites except as indicated

Organism Total Isolates AMP/PCN2CLIN CTRX DAP DOX LZD NAF T/S VANC 
Staphylococcus aureus 

833

N/A

76

N/A

99

83

99

74

94

100

       MSSA

591

N/A

80

N/A

99

92

99

99

96

100

       MRSA

256

N/A

66

N/A

99

63

99

N/A

89

100

Staphylococcus epidermidis 

227

N/A

62

N/A

100

74

99

29

55

100

Staphylococcus lugdunesis 

40

N/A

92

N/A

100

92

100

93

100

100

Viridans group streptococci3

120

75

81

96

 

71

 

 

 

100

Streptococcus anginosus group 

61

100

81

100

 

62

 

 

 

100

        Streptococcus mitis

53

60

82

96

 

83

 

 

 

100

Enterococcus faecalis 

350

99

N/A

N/A

 

28

 

N/A

N/A

97

Enterococcus faecium

192

14

N/A

N/A

974

16

96

N/A

N/A

42

1Adult inpatient susceptibilities include data from 1/1/2025 - 12/31/2025; 2Reflects ampicillin for Enterococcus spp & penicillin G for Streptococcus spp; 3Viridans group streptococci include S. anginosus, S. constellatus, S. intermedius, S. milleri, S. mitis, S. mutans, S.  oralis, S. parasanguinis, S. salivarius, & S. sobrinus; 4Represents susceptible dose-dependent isolates only