Skip to main content

Table 2 Comparison of AVV reported by 48-h VD and UF in the entire study population and stratified according to the age, LUTD subtypes, and sex

From: Correspondence of uroflowmetry and voiding diary in evaluation of voiding volume in children with lower urinary tract dysfunction

 

Pts (n)

UF-AVV median (min–max)

VD-AVV median (min–max)

P value

All Pts. (ml)

242

178.0 (51.5–579.7)

124 (28.5–521.4)

 < 0.001*

(VV/EBC) (%)

 

64.2 (20.9–182.9)

42.8 (7.3–144.8)

 

Age

5–6 years (ml)

56

136.8 (51.5–265)

102.1 (29.6–222.5)

 < 0.001*

(VV/EBC) (%)

 

65.5 (28.6–147.2)

48.6 (14.1–123.6)

 

7–11 years (ml)

132

175.9 (65.6–439)

116.0 (33.1–521.4)

 < 0.001*

(VV/EBC) (%)

 

60.8 (20.9–182.9)

41.9 (11–144.8)

 

 ≥ 12 years (ml)

54

310.7 (145.7–579.7)

207.8 (28.5–500)

 < 0.001*

(VV/EBC) (%)

 

69.2 (28.6–148.6)

40.9 (7.3–128.2)

 

P value*

 

0.263**

0.410**

 

OAB (ml)

120

166.8 (51.5–493.7)

112 (28.5–500)

 < 0.001*

(VV/EBC) (%)

 

58.3 (20.9–126.6)

36.9 (7.3–128.2)

 

DV (ml)

86

230 (75.5–579.7)

155.7 (45.4–521.4)

 < 0.001*

(VV/EBC) (%)

 

72.9 (27.4–182.9)

47.5 (15.1–144.8)

 

MNE

36

173.1 (65.7–366)

139.6 (61.5–232.3)

 < 0.001*

(VV/EBC) (%)

 

64.6 (24.3–147.2)

51.1 (22.2–77.2)

 

P value*

 

0.001**

 < 0.001**

 

Sex

Boy (ml)

100

178.8 (80.5–412.5)

117.9 (29.6–500)

 < 0.001*

(VV/EBC) (%)

 

61.8 (31.1–163.1)

40.7 (14.1–128.2)

 

Girl (ml)

142

178 (51.5–579.7)

128.3 (28.5–521.4)

 < 0.001*

(VV/EBC) (%)

 

68.2 (20.9–182.9)

45.0 (7.3–144.8)

 

P value*

 

0.991**

0.220**

 
  1. Pts: Patients, AVV: average voided volume, UF: uroflowmetry, VD: voiding diary, VV: voided volume, Med: median, EBC: estimated bladder capacity, LUTD: lower urinary tract dysfunction, OAB: overactive bladder, DV: dysfunctional voiding, MNE: monosymptomatic nocturnal enuresis 
  2. Bold values indicate P value < 0.05
  3. *Mann–Whitney test, ** Kruskal–Wallis test