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
From: Rates and risk factors for drug resistance tuberculosis in Northeastern China
| Â | 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) |