Table 3.

Comparison of discrepancies and agreement between the CLSI and Etest method for 295 N. gonorrhoeae isolates

Antimicrobial agent	No. of discrepancies			% Agreement		Correlation coefficient (r)
	Minor	Major	Very major	Complete	Essential
Penicillin	37	0	0	87.5	100	0.99
Ciprofloxacin	34	0	0	88.5	100	0.99
Spectinomycin	0	0	0	100	100	1.0
Ceftriaxone	4	0	0	98.6	100	1.0
Tetracycline	58	16	0	74.9	94.6	0.61
All	133	16	0	49.5	94.6	0.92

CLSI, Clinical and Laboratory Standards Institute; Minor, ‘S’ and ‘R’ as ‘LS’or ‘LS’ as ‘S’ or ‘R’; Major, ‘S’ as ‘R’; Very major, ‘R’ as ‘S’.