Research Article
Efficacy and Predictors for Biofeedback Therapeutic Outcome in Patients with Dyssynergic Defecation
Table 7
Univariate analysis of predictors of outcome of BFT.
| Variables | | |
| General information | | | Age | −0.095 | 0.440 | Gender | −0.112 | 0.202 | Constipation duration | 0.115 | 0.197 | Symptoms | | | Defecation interval | −0.062 | 0.683 | Straining | −0.121 | 0.149 | Sensation of incomplete evacuation | −0.092 | 0.450 | Sensation of blockage | −0.145 | 0.106 | Painful defecation | −0.040 | 0.849 | Stool consistency | −0.220 | 0.032 | Psychological status | | | SAS | −0.184 | 0.093 | SDS | −0.333 | 0.010 | Quality of life indicators | | | General health perception | 0.135 | 0.116 | Physical functioning | 0.112 | 0.202 | Physical role function | 0.289 | 0.025 | Emotional role functioning | 0.120 | 0.207 | Social role functioning | 0.153 | 0.104 | Bodily pain | 0.046 | 0.751 | Vitality | 0.196 | 0.084 | Mental health | 0.205 | 0.057 | Lifestyle | | | Physical activity | −0.079 | 0.666 | Work pressure | −0.089 | 0.490 | Poor sleep quality | −0.078 | 0.666 | Vegetable intake | 0.145 | 0.106 | Fruit intake | −0.062 | 0.683 | Water intake | −0.095 | 0.468 | High-fat diet predilection | 0.017 | 0.800 | Anorectal physiology | | | BET time | −0.188 | 0.091 | CTT | −0.062 | 0.711 | HR-ARM | | | Anal resting pressure | 0.066 | 0.705 | Maximum squeeze pressure | −0.030 | 0.761 | Rectal defecation pressure | 0.082 | 0.650 | Intrarectal pressure | 0.044 | 0.795 | Rectoanal pressure differential | 0.197 | 0.090 | First sensation volume | −0.297 | 0.022 | Urgency volume | −0.178 | 0.091 | Maximum discomfort volume | −0.074 | 0.700 | DD subtype | −0.099 | 0.365 |
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BFT = biofeedback therapy; SAS = Zung’s Self-Rating Anxiety Scale; SDS = Zung’s Self-Rating Depression Scale; BET = balloon expulsion test; CTT = colonic transit time.
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