Table 3 Estimates of number of participants to detect differences in the SCI-QoL and the NBSS
From: Study protocol: patient reported outcomes for bladder management strategies in spinal cord injury
Questionnaire | Comparison groups | Detected differences n = 900 | Detected differences n = 1350 |
|---|---|---|---|
SCI-QoL | IDC vs CIC | 2.34 (4.7%) | 1.91 (3.8%) |
IDC vs. surgery | 2.11 (4.2%) | 1.72 (3.4%) | |
CIC vs. surgery | 2.42 (4.8%) | 1.98 (4.0%) | |
NBSS | IDC vs CIC | 2.34 (11.7%) | 1.91 (9.6%) |
IDC vs. surgery | 2.11(10.6%) | 1.72 (8.6%) | |
CIC vs. surgery | 2.42(12.1%) | 1.98 (9.9%) |