Proportion of patients having a 50% or greater reduction in 72-hour IEF compared with baseline at each interview point by study*
| Week 6 (main outcome) | Week 4 | Week 16 | Week 28 | |
| Combined trial | ||||
| Elderly (n=92) | 51/89 (57.30) | 32/90 (35.56) | 61/89 (68.54) | 65/89 (73.03) |
| Non-elderly (n=292) | 173/285 (60.70) | 123/286 (43.01) | 191/282 (67.73) | 198/282 (70.21) |
| Difference | 3.11 (−9.83 to 16.05) | 4.04 (−8.52 to 16.61) | −1.65 (−13.92 to 10.63) | −3.06 (−14.64 to 8.52) |
| P value | 0.637 | 0.528 | 0.793 | 0.604 |
| SUI trial | ||||
| Elderly (n=56) | 38/54 (70.37) | 23/54 (42.59) | 39/54 (72.22) | 42/54 (77.78) |
| Non-elderly (n=196) | 124/192 (64.58) | 86/192 (44.79) | 118/189 (62.43) | 123/189 (65.08) |
| Difference | −5.90 (−21.52 to 9.72) | −0.90 (−17.04 to 15.24) | −7.58 (−23.80 to 8.35) | −13.09 (−27.22 to 1.04) |
| P value | 0.459 | 0.913 | 0.351 | 0.07 |
| MUI trial | ||||
| Elderly (n=36) | 13/35 (37.14) | 9/36 (25.00) | 22/35 (62.86) | 23/35 (65.71) |
| Non-elderly (n=96) | 49/93 (52.69) | 37/94 (39.36) | 73/93 (78.49) | 75/93 (80.65) |
| Difference | 15.70 (−5.71 to 37.11) | 10.30 (−10.08 to 30.68) | 18.14 (−1.20 to 37.49) | 18.94 (0.57 to 37.30) |
| P value | 0.151 | 0.322 | 0.066 | 0.043 |
*Data are described as number/total number of patients (%), unless otherwise indicated.
IEF, incontinence episode frequency; MUI, mixed urinary incontinence; SUI, stress urinary incontinence.