In some ways, Dr Ji's Editorial is written 2-3 years too soon, as a 7-10 year follow-up is desirable to assess relapse rates after all save very short or weak regimens. The WHO ofloxacin controlled clinical trial, which includes the 12 month WHO regimen compared with the standard 24 months, only commenced intake of patients in 1992. Moreover, the proportion of patients in each group having a relatively low bacterial index (BI) of 2·0-3·0 has not yet been reported.
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