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ETT cuff pressure estimation by the PBP and LOR methods.
| Cuff pressure ranges, N (%) | ||||||
|---|---|---|---|---|---|---|
| Method | <20 | 20–30 | 31–40 | >40 | Mean (sd) | Proportion adjusted |
| PBP | 8 | 20 | 18 | 43 | 51 (28.9) | 51 (57.3) |
| LOR | 11 | 59 | 18 | 1 | 27 (5.8) | 12 (13.5) |
All those <20 and >40 were adjusted by the manometer.
