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Results.
| N | Clearance at 3 months | p value | |||
|---|---|---|---|---|---|
| n | % | ||||
| Overall | MPI | 33 | 29 | 87.88 | 0.089 |
| Control | 32 | 19 | 59.38 | ||
|
| |||||
| LC | MPI | 24 | 22 | 91.67 | 0.022 |
| Control | 19 | 12 | 63.18 | ||
|
| |||||
| Pelvis | MPI | 6 | 4 | 66.67 | 0.853 |
| Control | 7 | 5 | 71.43 | ||
|
| |||||
| MC | MPI | 1 | 1 | 100.00 | 1∗ |
| Control | 4 | 2 | 50.00 | ||
|
| |||||
| UC | MPI | 2 | 2 | 100.00 | 1∗ |
| Control | 2 | 0 | 0.00 | ||
|
| |||||
| Delayed | Delayed MPI | 10 | 6 | 60.00 | 0.835 |
| Primary + delayed MPI | 3 | 2 | 66.67 | ||
LP: lower calyx; MC: middle calyx; UP: upper calyx; MPI: mechanical percussion and inversion therapy; ∗Fisher's exact test.
