Table 1

 Baseline characteristics

PEG 3350Lactulose
PEG, polyethylene glycol 3350.
No of patients at randomisation5050
Age (y) (mean (SD))6.5 (3.2)6.5 (3.4) (p = 0.9)
Sex (M/F)27/2328/22 (p = 0.7)
No of patients not withdrawn4645
    Age (y) (mean (SD))6.5 (3.2)6.6 (3.4)
    Sex (M/F)24/2225/20
Inclusion criteria (No of patients)
    Defecation frequency <3/week3230
    Encopresis >1/week2930
    Large amounts of stool3025
    Faecal impaction2426
Premature withdrawal45
    Lost to follow up22
    Helicobacter positive02
    Reason unknown11
    Bad palatability of study medication10