Table 2. Peri-procedural data.

	n	%	Mean±SD
PDT time (days)			19±9.7
Laboratory at time of PDT
INR			2.3±0.9
PTT (sec.)			59.4±19.5
Platelet count, ×109/L			139.2±65.8
Hemoglobin (g/dL)			8.8±1.0
Creatinine (mg/dL)			1.6±1.0
Patients on CVVHD	10	23,8
Patients on temporary RVAD	4	9,5
Patients on temporary IABP	6	14,8
SD: Standard deviation; PDT: Percutaneous dilatational tracheostomy; INR: International normalized ratio; CVVHD: Continuous veno-venous hemodialysis; RVAD: Right ventricular assist device; IABP: Intra-aortic balloon pump.