Table 3.

Errors for the Tandem Pump System.

Problem	N	Percent
Malfunction alarm	3809	28.5
(CGM) Error 42	3575	26.8
Low blood glucose	1499	11.2
Occlusion alarm occurred	1424	10.7
Insulin gauge was inaccurate	1008	7.6
Cartridge change error	599	4.5
Altitude alarm	518	3.9
Pump touch screen was unresponsive	359	2.7
Wake button was unresponsive	238	1.8
Cartridge leaked	205	1.5
High blood glucose	116	0.9

CGM, continuous glucose monitor.