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Table. 2.

Table. 2.

Phenotypes of CA-MRSA strains among HA-MRSA isolates

Type Results of antimicrobial resistance tests Isolates (N)

PCN/OXA ERY CLI CIP GEN Others
1 R S S S S S 697
2 R R S S S S 6
3 R S R S S S 2
4 R S S R S S 86
5 R S S S R S 34
6 R R R S S S 241
7 R R S R S S 107
8 R R S S R S 0
9 R S R R S S 0
10 R S R S R S 0
11 R S S R R S 0
12 R R R R S S 177
13 R R R S R S 10
14 R R S R R S 0
15 R S R R R S 0
Resistance pattern I* (N = 541) Resistance pattern II (N = 430) Resistance pattern II (N = 370) Resistance pattern IV§ (N = 44)

*Resistance pattern I (ERY-R phenotypically identified CA-MRSA strains). Resistance pattern II (CLI-R phenotypically identified CA-MRSA strains). Resistance pattern III (CIP-R phenotypically identified CA-MRSA strains). §Resistance pattern IV (GEN-R phenotypically identified CA-MRSA strains).

Abbreviations: CA-MRSA, community-associated methicillin-resistant Staphylococcus aureus; HA-MRSA, hospital-acquired methicillin-resistant S. aureus; S, susceptible; R, resistant; PCN, penicillin; OXA, oxacillin; ERY, erythromycin; CLI, clindamycin; CIP, ciprofloxacin; GEN, gentamicin.

Ann Lab Med 2021;41:386~393

© Ann Lab Med