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Table 1 Characteristics of randomized clinical trials comparing percutaneous dilatational and surgical tracheostomy in critically ill patients

From: Percutaneous dilatational tracheostomy versus surgical tracheostomy in critically ill patients: a systematic review and meta-analysis

Study No. of Participants Mean age (years) Male (%) Population Method of PDT Location ST performed Location PDT performed ST performed by PDT performed by Use of bronchoscopic guidance for PDT
Hazard [30] 46 63.1 54.3 Medical/surgical ICU Multiple dilator ICU or OT ICU Staff Trainee No
Crofts [26] 53 59.3 58.5 Medical/surgical ICU Multiple dilator OT ICU Trainee Trainee No
Friedman [28] 53 54.5 58.5 Medical/surgical ICU Multiple dilator OT ICU Staff Trainee No
Holdgaard [32] 60 60 76.7 Medical/surgical ICU Multiple dilator OT OR Trainee Staff No
Jong Joon [21] 38 61 71 Medical ICU Multiple dilator ICU ICU Trainee Trainee Yes
Gysin [29] 70 55.5 NR Medical/surgical ICU Multiple dilator ICU or OT ICU or OT Staff Staff Yes
Porter [34] 24 44.8 79.2 Surgical ICU Multiple dilator ICU ICU Trainee Trainee Yes
Raine [35] 100 43.1 66 Medical/surgical ICU Forceps ICU ICU Staff Staff No
Heikkinen [31] 57 64.6 70.2 Medical/surgical ICU Forceps ICU ICU Staff Staff No
Freeman [27] 80 63.4 46.3 Medical/surgical ICU Multiple dilator OT ICU NR NR Yes
Massick [40] 100 NR NR Medical/surgical ICU Multiple dilator ICU ICU Trainee Trainee Yes
Melloni [33] 50 56.5 62 Medical/surgical ICU Multiple dilator ICU or OT ICU Staff Staff Yes
Sustic [36] 16 36 81.3 Neurosurgical ICU Forceps OT ICU Staff Staff No
Wu [38] 83 68.8 78.3 Medical/surgical ICU Multiple dilator OT ICU Trainee Staff Yes
Antonelli [25] 139 63.5 59.7 Medical/surgical ICU Translaryngeal OT ICU Staff Staff No
Tabaee [37] 43 60.1 39.5 Medical/surgical ICU Single dilator ICU ICU Trainee Trainee Yes
Silvester [39] 200 60.7 68.5 Medical/surgical ICU Multiple dilator ICU ICU Trainee Trainee Yes
  1. ICU, intensive care unit; NR, not reported; OT, operating theatre; PDT, percutaneous dilatational tracheostomy; ST, surgical tracheostomy.