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Table 3 Comparison of electrocardiographic data between groups

From: Long-term cardiac assessment in a sample of adolescent-onset anorexia nervosa

 

Low-weight AN group Median (25th-75th percentiles) (n = 4)

Normal-weight AN group Median (25th-75th percentiles) (n = 25)

Healthy Controls Median (25th-75th percentiles) (n = 30)

Ha

p

Dunn Post-hoc testb

Heart rate (beats/min)

65 (56.75–85.25)

65 (54–75)

68.5 (59.75–74.50)

0.717

0.699

 

QRS axis degree

60 (-7.50–82.50)

60 (30–60)

60 (60–60)

0.084

0.959

 

Width of the QRS (msec)

80 (80–87.50)

80 (80–80)

80 (80–80)

3.534

0.171

 

PR interval (msec)

140 (110–140)

120 (120–160)

140 (120–160)

0.234

0.890

 

QT interval (msec)

380 (345–430)

400 (380–400)

390 (365–400)

0.312

0.856

 

Corrected QT (msec)

416.50 (384.50–420)

412 (393–426.50)

410 (394–425)

0.075

0.963

 

QT dispersion

25 (12.5–37.5)

20 (12.5–37.5)

20 (12.5–37.5)

0.176

0.916

 
  1. LW low-weight group, NW normal-weight AN group, HC healthy controls
  2. aKruskal Wallis test
  3. bDunn–Bonferroni post hoc test; statistical significance p < 0.05