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Table 1 Minimum acceptable flow rates for boys and girls between 7 to 14 years old (according to uroflowmetry parameters of healthy children who voided 100 ml or more).

From: Uroflowmetry nomogram in Iranian children aged 7 to 14 years

Age Boys Girls
  Q-max Q-Ave Q-max Q-Ave
7–9 10 3.8 11 3.8
10–11 9.8 4 11.6 4.6
12–14 9.7 4.2 13.8 5.4