Table 3.

QT and QTC intervals

Cisapride (n = 134)Controls (n = 118)
QT interval
 Group 1n = 64309.5 ± 16.4n = 55284.9 ± 15.9*
 Group 2n = 35301.0 ± 22.4n = 32293.0 ± 18.0
 Group 3n = 35304.0 ± 17.8n = 31294.0 ± 201.1
Bazett
 Group 1n = 64455.5 ± 18.7n = 55420.3 ± 18.2*
 Group 2n = 35427.0 ± 22.0n = 32415.7 ± 21.0
 Group 3n = 35416.8 ± 18.6n = 31408.0 ± 18.8
Hodges
 Group 1n = 64434.6 ± 14.89n = 55411.1 ± 14.6*
 Group 2n = 35410.2 ± 15.3n = 32402.4 ± 17.0
 Group 3n = 35399.0 ± 15.8n = 31395.0 ± 11.4
  • ± = standard deviation; group 1 = <3 months; group 2 = 3 to 6 months; group 3 = >6 months of age.

  • * P < .001.

  • Bazett values in milliseconds.

  • Hodges values in milliseconds.