Table 2.

Time taken to respond to various types of messages transmitted by Hark versus a pager.

Type of message	Hark			Pager			P value
	Mean	SD	Range	Mean	SD	Range
All messages, time in seconds	86.6	96.2	2–416	136.5	201.0	4–900	.11
Immediate messages, time in seconds	126.0	128.4	2–416	80.6	81.2	4–300	.22
Urgent messages, time in seconds	68.1	84.3	4–286	130.2	168.0	9–585	.12
Nonurgent messages, time in seconds	65.8	52.9	8–195	198.8	289.4	15–900	.07