Table 2

MINORS score for the identified PP cohort studies

CriteriaBurton-Papp et al 17 Caputo et al 18 Coppo et al 16 Ding et al 22 Dong et al 23 Elharrar et al 24 Lawton et al 28 Retucci et al 32 Sartini et al 34
1. A clearly stated aim112212121
2. Inclusion of consecutive patients120102120
3. Prospective collection of data022202021
4. Endpoints appropriate to the aim of the study112211111
5. Unbiased assessment of the study endpoint111111011
6. Follow-up period appropriate to the aim of the study212111201
7. Loss to follow-up less than 5%111101211
8. Prospective calculation of study size002200000
9. An adequate control groupN/AN/AN/AN/AN/AN/AN/AN/AN/A
10. Contemporary groupsN/AN/AN/AN/AN/AN/AN/AN/AN/A
11. Baseline equivalence of groupsN/AN/AN/AN/AN/AN/AN/AN/AN/A
12. Adequate statistical analysisN/AN/AN/AN/AN/AN/AN/AN/AN/A
Total score 791212410796
  • Each criteria is scored either: 0 (not reported), 1 (reported but inadequate) or 2 (reported and adequate). The ideal score is 16 for non-comparative studies and 24 for comparative studies.

  • PP, prone positioning.