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Table 2 Drug susceptibilities of Mycobacterium tuberculosis isolates from index case (IC) and household contact (HC) cases in the Philippines

From: Genotypic characteristics of Mycobacterium tuberculosis isolated from household contacts of tuberculosis patients in the Philippines

 

First line drugsa

Second line drugs

Household/index contacts

INH

RIF

EMB

PZA

STR

CAP

KAN

AMI

ETH

CYC

PAS

 

0.2

1.0

1.0

7.5

300

2.0

10

10

6.0

6.0

10

60.0

8.0

IC1

R

R

R

R

R

S

S

S

S

S

S

S

S

HC1

R

R

S

S

S

S

S

S

S

S

S

S

S

IC2

R

R

R

R

R

R

R

S

S

S

S

S

S

HC2

R

R

R

S

S

R

R

S

S

S

S

S

S

IC3

R

S

R

S

S

R

R

S

S

S

S

S

S

HC3

R

R

R

S

S

S

S

S

S

S

S

S

S

IC4

R

R

R

S

N/Ab

R

S

S

S

S

R

S

S

HC4

R

R

S

S

S

R

S

S

S

S

S

S

S

IC5

R

R

R

R

R

R

R

S

S

S

S

S

S

HC5

R

R

R

R

R

R

R

S

S

S

S

S

S

IC6

R

R

R

R

R

R

R

S

S

S

R

S

S

HC6.1

R

R

R

R

S

R

R

S

S

S

R

S

S

HC6.2

R

R

R

R

S

R

R

S

S

S

R

S

S

HC6.3

S

S

S

S

S

S

S

S

S

S

S

S

S

IC7

R

S

R

R

S

R

R

S

S

S

R

S

S

HC7.1

S

S

S

S

S

S

S

S

S

S

S

S

S

HC7.2

S

S

S

S

S

S

S

S

S

S

S

S

S

IC8

R

S

S

S

S

S

S

S

S

S

S

S

S

HC8

S

S

S

S

R

S

S

S

S

S

S

S

S

IC9

R

R

R

R

R

R

R

S

S

S

S

S

S

HC9

R

R

R

R

R

R

R

S

S

S

S

S

S

IC10

R

S

S

S

S

S

S

S

S

S

S

S

S

HC10

R

S

S

S

S

S

S

S

S

S

S

S

S

IC11

S

S

S

S

S

S

S

S

S

S

S

S

S

HC11

R

R

R

S

S

S

S

R

S

S

R

S

S

IC12

R

R

R

R

R

R

R

R

S

S

S

S

S

HC12

R

R

R

R

S

R

R

R

S

S

S

S

S

IC13

R

R

R

R

S

R

S

S

S

S

S

S

S

HC13

R

R

R

R

S

S

S

S

S

S

S

S

S

  1. Susceptibilities are reported in μg/mL.
  2. Abbreviations: INH – isoniazid, RIF – rifampin, EMB – ethambutol, PZA – pyrazinamide, STR – streptomycin, CAP – capreomycin, KAN – kanamycin, AMI – amikacin, ETH – ethionamide, CYC – cycloserine, PAS – para-aminosalicylic acid; R – resistant, S – susceptible.
  3. aWith the exception of PZA, susceptibility for all drugs was performed by the 1% indirect agar proportion method. PZA susceptibility was performed on the VersaTREK (TREK Diagnostics, Cleveland, OH).
  4. bIsolate unable to grow in test medium for PZA susceptibility testing.