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Table 1 Anesthesia-related intervention themes in multicenter randomized controlled trials (n studies = 445, n patients = 336 966)

From: Mapping multicenter randomized controlled trials in anesthesiology: a scoping review

Intervention category Number of studies (%) Number of patients (%)
Anesthetic technique 80 (12.5) 48 455 (7.9)
Behavioral change 4 (0.7) 438 (0.07)
Dialysis 0 (0) 0 (0)
Glucose control 0 (0) 0 (0)
Intravenous (IV) fluids 12 (1.9) 3 671 (0.5)
Medical device 6 (1.1) 1 166 (0.1)
Monitoring 11 (1.7) 15 912 (2.6)
Nutritional 20 (3.1) 4 731 (0.7)
Pharmacotherapy 361 (56.6) 244 610 (39.7)
Physiotherapy 4 (0.7) 994 (0.2)
Preoperative procedure 18 (2.8) 9904 (1.6)
Protocol/guidelines implementation 12 (1.8) 159 134 (25.8)
Temperature management 5 (0.8) 2 451 (0.4)
Testing 0 (0) 0 (0)
Transfusion 19 (3.0) 13 994 (2.3)
Ventilation 19 (3.0) 11 817 (1.9)
Combination of interventions 67 (10.5) 98 641 (16.0)
Total 638 615 907
  1. This list of themes was generated in our previously conducted scoping review [20]