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. 2011 Jan 24;55(4):1436–1442. doi: 10.1128/AAC.00936-10

TABLE 2.

Razupenem T>MIC targets required for a bacteriostatic effect and for 1-, 2-, and 3-log-unit reductions in S. aureus viable counts at 24 h and 48 h

Time (h) Effect T>MIC (%) for strain (MIC, mg/liter):
MSSA 5956 (0.015) MRSA 33922 (0.09) MRSA 36895 (0.38) VISA 19898 (1.5) MRSA 27706 (1.5) MRSA 33820 (3.0) MRSA, avg ± SD MRSA, pooled analysis
24 Static 23.6 6.7 4.5 3.9 6.4 3.6 5.0 ± 1.4 4.0
1.0-log-unit reduction 31.5 13.4 18.4 7.3 17.7 5.7 12.5 ± 5.8 9.0
2.0-log-unit reduction 40.9 23.5 31.9 11.8 33.3 9.2 21.9 ± 11.1 16.1
3.0-log-unit reduction 53.0 40.9 18.9 59.1 36.6 ± 20.1 31.4
r2 0.685 0.881 0.910 0.958 0.807 0.882 0.800
48 Static 31.5 12.8 9.7 10.3 6.4 6.0 9.0 ± 2.8 7.8
1.0-log-unit reduction 35.9 23.5 16.8 13.7 11.8 7.6 14.7 ± 5.9 14.1
2.0-log-unit reduction 39.6 36.2 25.2 17.2 19.5 9.2 21.5 ± 10.4 22.1
3.0-log-unit reduction 45.0 55.0 38.0 22.3 35.5 12.2 32.6 ± 16.3 34.9
r2 0.972 0.984 0.963 0.966 0.8639 0.895 0.881