Table 2

Prevalence of anti-tuberculosis drug resistance among M. tuberculosis isolates from new and previously treated patients the results of drug susceptibility pattern by type of case
New cases n (%) Previously treated n (%) Combined n (%)
Total strans tested 816 196 1012
Susceptibility to all drugs 625(76.6) 79(40.3) 704(69.6)
 Susceptibility to fist-line 661(81.0) 85(43.4) 746(73.7)
 Susceptibility to second-line 751(92.0) 155(79.1) 906(89.5)
Any resistance 191(23.4) 117(59.7) 308(30.4)
 H 91(11.2) 93(47.4) 184(18.2)
 R 48(5.9) 66(33.7) 114(11.3)
 E 30(3.7) 42(21.4) 72(7.1)
 S 90(11.0) 51(26.0) 141(13.9)
 K 28(3.4) 14(7.1) 42(4.2)
 O 42(5.1) 36(18.4) 78(7.7)
Mono-resistance 113(13.8) 22(11.2) 135(13.3)
 H only 27(3.3) 8(4.1) 35(3.5)
 R only 11(1.3) 3(1.5) 14(1.4)
 E only 1(0.1) 0 1(0.1)
 S only 42(5.1) 5(2.6) 47(4.6)
 K only 18(2.2) 2(1.0) 20(2.0)
 O only 14(1.7) 4(2.0) 18(1.8)
MDR-TB 34(4.2) 54(27.6) 88(8.7)
 H + R 5(0.6) 13(6.6) 18(1.8)
 H + R + E 2(0.2) 5(2.6) 7(0.7)
 H + R + S 7(0.9) 10(5.1) 17(1.7)
 H + R + K 0 0 0
 H + R + O 2(0.2) 5(2.6) 7(0.7)
 H + R + E + S 7(0.9) 4(2.0) 11(1.1)
 H + R + E + K 0 0 0
 H + R + E + O 4(0.5) 4(2.0) 8(0.8)
 H + R + S + K 1(0.1) 1(0.5) 2(0.2)
 H + R + S + O 2(0.2) 1(0.5) 3(0.3)
 H + R + K + O 0 1(0.5) 1(0.1)
 H + R + E + S + K 0 0 0
 H + R + E + S + O 4(0.5) 6(3.1) 10(1.0)
 H + R + E + K + O 0 1(0.5) 1(0.1)
 H + R + S + K + O 0 1(0.5) 1(0.1)
 H + R + E + S + K + O 0 2(1.0) 2(0.2)
XDR-TB 0 5(2.6) 5(0.5)

H: isoniazid, R: rifampicin, E: ethambutol, S: streptomycin, K: kanamycin and O: ofloxacin. MDR-TB defined as resistance to at least H and R. XDR-TB defined as resistance to at least H, R, K and O.

Liu et al.

Liu et al. BMC Public Health 2013 13:1171   doi:10.1186/1471-2458-13-1171

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