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Table 2 Filling cystometry results in injection, operation, and control groups

From: Urethral orifice hyaluronic acid injections: a novel animal model of bladder outlet obstruction

Groups MCC (ml) Micturation interval (s)   Pmax (cmH2O)   PRV (ml) NVC#
Injection group N = 15 1.66 ± 0.17* 39.47 ± 3.13* 152.13 ± 20.13* 0.26 ± 0.10* 3.21 ± 0.42*
Surgery group 0.28 ± 0.13* N = 12 1.81 ± 0.59* 42.11 ± 7.99* 165.23 ± 56.30*   2.85 ± 0.67*
Control group N = 10 1.38 ± 0.13 31.28 ± 3.37 256.2 ± 25.55 0 0
  1. Both injection and surgery groups caused typical obstruction characteristics with increasing MCC, Pmax, frequency, and PRV compared with the control group. The data are shown as mean value ± SD.
  2. *p < 0.05 compared to control group.
  3. #the frequency of NVC was calculated in every 10 minutes.
  4. MCC, maximum cystometric capacity; Pmax maximum bladder pressure during micturition; PRV, post-void residual urine volume.
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