Table 1.

Early bactericidal activity (EBA) of drug regimens with and without isoniazid after the second day of treatment in study 1

	Drug regimens
EBA	2RHZE/12RHZE	2RHZE/12RZE	2RHZE/12RMZE
EBA0–2	0.125	0.125	0.125
EBA2–14	0.127	0.170	0.165
EBA0–14	0.130

E, ethambutol; H, isoniazid; M, moxifloxacin; R, rifampin; Z, pyrazinamide.