Table 4.

The concentration of RFP, INH, PZA in non-sclerotic group at time phase of 180–190 min

Drug	Serum (μg/ml)	Ilium (μg/g)	Subnormal bone (μg/g)	Foci inside sclerotic wall (μg/g)
RFP	6.78 ± 1.83*	4.48 ± 1.24	4.22 ± 1.64	0.52 ± 0.10**
INH	2.39 ± 1.45	2.16 ± 0.61	2.05 ± 0.61	0.55 ± 0.06**
PZA	26.55 ± 6.02**	7.35 ± 1.72	7.03 ± 1.86	1.59 ± 0.28**

Compared with ilium in same drug group, *P < 0.05; **P < 0.01