First Insight into a Nationwide Genotypic Diversity of Mycobacterium tuberculosis among Previously Treated Pulmonary Tuberculosis Cases in Benin, West Africa

Table 1

Resistance pattern of strains to first-line drugs.

Type of resistance	Failure; (n = 24); n (%)	Relapse; (n = 71); n (%)	Default; (n = 5); n (%)	Total; (n = 100); n (%)
Susceptible to all drugs	12 (50.0)	45 (63.4)	3 (60.0)	60 (60.0)
Monoresistance
H	1 (4.2)	1 (1.4)	0 (0.0)	2 (2.0)
S	3 (12.5)	10 (14.1)	1 (20.0)	14 (14.0)
R	0 (0.0)	0 (0.0)	1 (20.0)	1 (1.0)
E	1 (4.2)	1 (1.4)	0 (0.0)	2 (2.0)
Total	5 (20.8)	12 (16.9)	2 (40.0)	19 (19.0)
Multidrug resistance
HR	0 (0.0)	2 (2.8)	0 (0.0)	2 (2.0)
HRE	1 (4.2)	1 (1.4)	0 (0.0)	2 (2.0)
HRS	1 (4.2)	1 (1.4)	0 (0.0)	2 (2.0)
HRES	3 (12.5)	3 (4.2)	0 (0.0)	6 (6.0)
Total	5 (20.8)	7 (9.9)	0 (0.0)	12 (12.0)
Other patterns
HS	1 (4.2)	1 (1.4)	0 (0.0)	2 (2.0)
HSE	0 (0.0)	2 (2.8)	0 (0.0)	2 (2.0)
RS	0 (0.0)	1 (1.4)	0 (0.0)	1 (1.0)
ES	1 (4.2)	3 (4.2)	0 (0.0)	4 (4.0)
Total	2 (8.3)	7 (9.9)	0 (0.0)	9 (9.0)

H: isoniazid; E: ethambutol; S: streptomycin; R: rifampicin.