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Primary placement and repositioning
| Perpendicular (n = 12) | Parallel (n = 12) | |
|---|---|---|
| Successful primary placement proportions (95% CI) |
10/12 83% (55–95%) |
9/12 75% (47–91%) |
| evaluated by spread | 11 | 10 |
| evaluated by loss of cold sensation | 11 | 9 |
| Successful repositioning (primary outcome) proportions (95% CI) |
10/10 100% (72–100%) |
6/9 67% (35–88%) |
| evaluated by spread | 10 | 8 |
| evaluated by loss of cold sensation | 10 | 6 |
95% CI: 95% confidence interval
