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. 2016 Jun 28;22(3):497–508. doi: 10.5056/jnm15089

Table 3.

Anorectal Manometry Values Before and After Treatment

Experiment group (n = 24) Control group (n = 20) t P
Maximum resting pressure (mmHg)
 Pre-treatment 92.36 ± 29.94 92.48 ± 25.76
 Post-treatment 92.76 ± 22.91 89.42 ± 22.66 −0.600 0.553
Mean resting pressure (mmHg)
 Pre-treatment 81.58 ± 24.61 85.42 ± 20.79
 Post-treatment 78.65 ± 20.09 75.89 ± 18.21 −1.178 0.249
Maximum squeeze pressure (mmHg)
 Pre-treatment 226.40 ± 64.83 200.44 ± 63.54
 Post-treatment 202.96 ± 52.72 177.12 ± 55.24 0.007 0.995
HPZ length (cm)
 Pre-treatment 3.93 ± 0.60 3.90 ± 0.70
 Post-treatment 3.91 ± 0.90 3.74 ± 0.53 −0.529 0.599
Duration of sustained squeeze (sec)
 Pre-treatment 16.26 ± 4.54 16.05 ± 4.81
 Post-treatment 15.82 ± 6.35 16.00 ± 5.88 0.161 0.873
Residual anal pressure (mmHg)
 Pre-treatment 91.82 ± 26.29 88.62 ± 37.37
 Post-treatment 86.90 ± 35.43 90.75 ± 30.04 0.576 0.568
Anal relaxation rate (%)
 Pre-treatment 31.25 ± 12.82 30.75 ± 18.95
 Post-treatment 31.79 ± 16.68 33.15 ± 13.67 0.290 0.773
Intrarectal pressure (mmHg)
 Pre-treatment 46.80 ± 22.83 56.12 ± 27.64
 Post-treatment 48.09 ± 21.28 54.73 ± 37.48 −0.271 0.788
Rectoanal pressure differential (mmHg)
 Pre-treatment −52.84 ± 31.81 −37.97 ± 32.29
 Post-treatment −43.84 ± 28.47 −47.26 ± 28.14 −1.782 0.082
First sensation (mL)
 Pre-treatment 44.17 ± 18.16 47.00 ± 24.94
 Post-treatment 37.92 ± 14.44 50.50 ± 28.00 0.927 0.363
Urge to defecate (mL)
 Pre-treatment 82.50 ± 25.24 104.00 ± 42.10
 Post-treatment 70.42 ± 20.10 84.00 ± 39.13 −0.608 0.547
Maximum tolerable volume (mL)
 Pre-treatment 149.17 ± 33.48 142.50 ± 36.69
 Post-treatment 141.25 ± 34.05 134.50 ± 39.67 −0.006 0.995

HPZ, high-pressure zone.

Data are presented as mean ± SD.