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Table 2 Uroflowmetry parameters recorded in group 2 (consisted of healthy males and females) in three different urination positions

From: Does urination position have an effect on evaluation of lower urinary tract function ın children? A uroflowmetric study

UFM parameters Gender Sitting urination position Squatting urination position Standing urination position p value
Voided volume (ml ± SD) Male 147 ± 29 145 ± 44 150 ± 35 0.891
Female 125 ± 32 137 ± 35 0.452
Qmax (ml/s) Male 16.7 ± 4.5 18.1 ± 4.3 18.5 ± 4.1 0.01
Female 18.3 ± 4.2 19.5 ± 5.4 0.121
Postvoid residual volume (ml ± SD) Male 12.1 ± 8.7 7.5 ± 5.6 14.9 ± 9.1 0.544
Female 19.4 ± 12.1 20.1 ± 10.7 0.652
Time to reach Qmax (s ± SD) Male 4.4 ± 3.4 4.7 ± 2.2 4.2 ± 3.1 0.679
Female 5.4 ± 3.1 5.9 ± 2.8 0.481
Urination time (s ± SD) Male 11.4 ± 6.4 12.4 ± 7.2 9.4 ± 6.1 0.658
Female 10.4 ± 8.4 11.1 ± 9.3 0.516
  1. UFM Uroflowmetry, Qmax Maximum urine flow rate, ml milliliter, s second, SD Standard deviation