Follow-up period appropriate to the aim of the study
0
2
0
2
0
2
0
2
Loss to follow-up less than 5%
0
0
2
0
2
2
2
0
Prospective calculation of the study size
0
2
2
0
0
0
0
0
Total score
4
8
12
6
8
9
4
6
MINORS (methodological index for nonrandomized studies) for 8 pre-post intervention design studies. The items are scored 0 (not reported), 1 (reported but inadequate), or 2 (reported and adequate).
