Table 3.

Distribution and Comparison of FICI of 90 Strains from Four Dual-Drug Combinations

FICI Value	INH+RIFa	Pa+RFBb	Pa+RFPc	MXF+Pad
≤0.5	10 (11.1)e	26 (28.9)	45 (50.0)	5 (5.6)
0.5< and ≤4	80 (88.9)	62 (68.9)	45 (50.0)	85 (94.4)
>4	0	2 (2.2)	0	0

Notes: P value for a vs b comparison was 0.0127; P value for a vs c comparison was <0.0001; P value for a vs d comparison was 0.2807; P value for b vs c comparison was 0.0021; P value for b vs d comparison was 0.0004; P value for c vs d comparison was <0.0001; e, the data in and outside the brackets represented the percentages and frequencies.