Analysis of the Overrun Reason on Tuberculosis Drug Susceptibility Test Externa Quality Control

Henan province joined WHO ex ternal quality control of tuberculosis drug susceptibility test for three times.I ts content was to ex amine the susceptibiligy of tuberculo sis ot INH, RFP, SM and EMB.The results indicated that the reght accurate rate of our lab was 89 %.The same as the to tal rig ht rate(89%)of the five compared labs of South-East Asia.The individual statistics for the four drags tested of our lab showed that INH was confo rmed best (98%), EMB well(86%).RFP and SM were both over run one time.Which is caused by method error dand reag ent error.From the analysis o f the anticipate value for the total resistance rate tested is higher than that of the fact.It should be valued.