TABLE 3.

POSAS observer and patient scale values depending on duration of tracheostomic tube cannulation

Parameters	Less than 15 days cannulation	More than 15 days cannulation
POSAS observer scale mean total value, OST group	6.64 ± 0.13	16.15 ± 1.13*
POSAS observer scale mean total value, PDT group	7.26 ± 0.21	14.17 ± 0.38
POSAS patient scale mean total value, OST group	6.76 ± 0.23	13.12 ± 0.44
POSAS patient scale mean total value, PDT group	7.08 ± 0.19	12.50 ± 0.69

Note: P < 0.05.

^* P < 0.001.