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Table 1 Number of tips correctly placed using the Sherlock 3CG® TCS and prior to its introduction [13, 15]

From: Sherlock 3CG® Tip Confirmation System for Placement of Peripherally Inserted Central Catheters: A NICE Medical Technology Guidance

Definition of adequate tip position Sherlock 3CG® TCS (Johnston 2014 [13]) Blind bedside PICC placement prior to the Sherlock 3CG® TCS (Johnston 2013 [15])
ICU ICU Non-ICU
(n = 239) % and 95 % CI (n = 246) % (n = 233) %
Mid and low SVC/CAJ/high RA (upper 2 cm) 190 79.5 (74–84) 121 49.2 136 58.4
  1. CAJ cavo-atrial junction, CI confidence interval, ICU intensive care unit, PICC peripherally inserted central catheter, RA right atrium, SVC superior vena cava