Table 5.

Reasons for ending follow-up in a cohort of 189 subsequent patients

Reason ending follow-up	PDT (n = 89)	ST (n = 100)	p value*
Deceased	n = 45 (50.6%)	n = 41 (41.0%)	0.188
Lost to follow-p	n = 20 (22.5%)	n = 28 (28.0%)	0.383
New tracheotomy	n = 3 (3.4%)	n = 5 (5.0%)	0.579
Laryngectomy	n = 0 (0%)	n = 6 (6.0%)	0.019
End of study	n = 21 (23.6%)	n = 207 (20.0%)	0.549

PDT percutaneous dilatation tracheotomy, ST surgical tracheotomy

*The Chi-squared test was used for ordinal data