Table 1 Overview of data in the feasibility study for shoulder pain, showing the differences between what was planned, what was obtained at baseline and what remained at the end of the study
Item | Planned | At the beginning of the study | At the end of the study |
|---|---|---|---|
Number of data collecting clinicians | 11 invited | 9 started | 4 |
Sample size (patients) | 410 | 240 (223 + 17) | 222 |
SMS Total number of participants at beginning | 410 subjects expected to provide fortnightly responses over one year 410*26 = 10,660 SMS | 223 subjects expected to provide 223 × 26 messages= 5798 SMS messages | 222 subjects provided a varying number of SMS messages 33 of them not related to clinical files |
Total number of subjects with > 80% responses on at least one of the outcome variables over one year. | 190 4940 SMS | ||
Patient files at base-line complete with diagnosis | 410 | 206 | 189 (206–17) |
At follow-up at least an answer to question 15 at last follow-up | NA | 179 | |
Number of patients with both final response on question 15 in patient file and > 80% responses over one year on SMS | 410 | NA | 160 For all three questions 162 subjects for question 1 158 subjects for question 2 158 subjects for question 3 |