Table 1.

Increase in the Corrected QT Interval for Citalopram and Escitalopram^*

Citalopram Dose	↑ in QTc Interval, msec (90% CI)	Escitalopram Dose	↑ in QTc Interval, msec (90% CI)
20 mg/day	8.5 (6.2, 10.8)	10 mg/day	4.5 (2.5, 6.4)
40 mg/day†	12.6 (10.9, 14.3)	20 mg/day†	6.6 (5.3, 7.9)
60 mg/day	18.5‡ (16.0, 21.0)	30 mg/day	10.7 (8.7, 12.7)
Moxifloxacin 400 mg	13.4 (10.9, 15.9)	Moxifloxacin 400 mg	9.0 (7.3, 10.8)

Abbreviations: CI, confidence interval; FDA, Food & Drug Administration

^*Adapted from references 6 and 7

^†Data extrapolated

^‡P<0.05 compared to control