Table 3. Physiological Measures.
| Highly Likely Diagnosis of LAS | Possible Diagnosis of LAS | ||||||
|---|---|---|---|---|---|---|---|
| Group | Baseline | 1 Month FU | 3 Month FU | Baseline | 1 Month FU | 3 Month FU | |
| Anal Pressure with Straining (% relaxing) |
Biofeedback | 13% | 94%* | 93%* | 57%D | 81%* | 78%* |
| EGS | 10% | 52%* B | 56%* B | 65% D | 71% | 71% | |
| Massage | 10% | 29% B | 35% B E | 90% D | 90% D | 89% D | |
| Balloon Defecation (% successful) |
Biofeedback | 16% | 97%* | 97%* | 62% D | 86%* | 83%* |
| EGS | 3% | 45%* B | 48%* B | 65% D | 71% | 71% | |
| Massage | 19% | 35%* B | 42%* B | 86% D | 90% D | 89% D | |
| Resting Anal Canal Pressure (mmHg) |
Biofeedback | 69.06±11.45 | 68.94±11.01 | 68.17±11.14 | 67.38±9.52 | 66.38±10.08 | 66.42±9.47 |
| EGS | 68.03±7.32 | 67.52±7.25 | 67.52±7.57 | 68.90±11.23 | 66.90±11.12 | 66.84±10.82 | |
| Massage | 68.91±12.16 | 65.10±9.82* | 64.31±8.83* | 70.90±5.75 | 68.48±6.23 | 68.37±6.75 | |
| RAIR Threshold (ml) |
Biofeedback | 17.10±5.23 | 16.13±5.58 | 15.67±5.04* | 18.10±6.02 | 18.10±8.14 | 15.56±5.11 |
| EGS | 16.77±5.99 | 17.74±5.60 | 17.04±5.42 | 15.24±5.12 | 15.24±5.12 | 15.26±5.13 | |
| Massage | 16.56±6.02 | 16.13±4.95 | 16.54±4.85 | 18.57±6.55 | 18.57±5.73 | 18.95±6.58 | |
| Urge Threshold (ml) |
Biofeedback | 64.52±26.44 | 51.61±8.98* | 51.67±9.13* | 61.90±21.82 | 52.38±10.91 | 52.78±11.79 |
| EGS | 62.90±22.24 | 53.23±12.49* | 53.57±13.11* | 52.38±10.91 | 54.76±10.04 | 55.26±15.17 | |
| Massage | 56.25±16.80 | 54.84±15.03 | 53.85±13.59 | 52.48±10.91 | 52.38±10.91 | 55.00±0.0 | |
| Maximum Tolerable Volume (ml) |
Biofeedback | 250.00±69.52 | 229.03±44.30* | 226.67±44.98* | 247.62±58.04 | 235.71±57.32 | 233.33±48.51 |
| EGS | 258.06±67.20 | 238.71±51.17* | 240.74±53.77* | 240.48±70.03 | 238.10±65.01 | 236.84±54.88 | |
| Massage | 251.56±61.55 | 250.00±56.27 | 246.15±58.18 | 269.05±60.16 | 259.52±53.90 | 257.89±53.39 | |
| Compliance (mmHg) |
Biofeedback | 14.06±3.91 | 14.68±3.74* | 14.57±3.79 | 15.05±3.67 | 15.24±3.52 | 15.11±3.53 |
| EGS | 13.77±3.32 | 13.61±3.20 | 13.22±3.20 | 14.05±3.50 | 14.10±3.39 | 14.37±3.29 | |
| Massage | 14.66±4.28 | 14.52±4.08 | 14.46±3.63 | 14.38±2.97 | 14.29±3.23 | 14.26±3.00 | |
Data shown are means ± standard deviations.
*
Between times of assessment, different from baseline, p<0.025.
B
Between treatment conditions, different from biofeedback group, p<0.025.
E
Between treatment conditions, different from EGS group, p<0.025.
D
Comparison of highly likely diagnosis to possible diagnosis of LAS, p<0.025.