Table 1

History and voiding chart data, at baseline, comparison between study groups

P value
Heredity (parents or siblings)12/20 (60%)10/22 (46%)6/18 (33%)0.26
Urgency16/20 (80%)15/22 (68%)10/18 (56%)0.27
Previous daytime incontinence7/20 (35%)11/22 (50%)12/18 (67%)0.15
High arousal thresholds16/20 (80%)21/22 (96%)16/18 (89%)0.30
Constipation8/20 (40%)3/22 (14%)8/18 (44%)0.07
Wet nights per 2 weeks before intervention10.3±4.69.7±4.110.4±4.40.86
Daytime micturition frequency3.5±5.45.7±1.55.5±2.60.87
Enuresis volume*65±3771±7272±360.91
Urine production per 24 hours/kg30±1328±1227±110.80
Nocturnal urine production, wet nights*109±51118±72121±480.85
Maximum voided volume, morning void excluded*76±3574±2984±310.58
Maximum voided volume, morning void included*82±3485±3792±260.63
Average voided volume, morning void excluded*51±2544±1647±160.53
Average voided volume, morning void included50±2247±1649±140.85
  • Data shown are either proportions (%) r, mean±1 SD.

  • *All volumes expressed as percentages of expected bladder capacity for the child’s age, according to the Koff-Hjälmås formula.27

  • BBA, basic bladder advice .