TABLE 4.

Reported QT_c prolongation (ms) with four new fluoroquinolones

Drug	Sample size	QTc prolongation	Reference
Moxifloxacin	2650 patients	6	30
Levofloxacin	21 patients	4.3	44
Gatifloxacin	55 volunteers	2.9	41
Gemifloxacin	121 patients	5.1	42