From: Safety and effectiveness of saving sphincter procedure in the treatment of chronic anal fissure in female patients
MRP (mmHg)
MSP (mmHg)
p
Healthy subjects
68.1±12.3
112±36.2
n.s.
Pre-operative
59.3±15.1
107±26.4
12 months after surgery
63.5±18.6
110±22.3
24 months after surgery
61.3±12.1
103±17.1