From: An Approved Landing Site (ALS) improves the logistics of interhospital transfer of critically ill patients by helicopter
Landings at referral hospital (n = 112)
Landings at receiving hospital (n = 112)
ALS
HLS
N
%
84
75.0
28
25
26
23.2
86
76.8
SEC. TRANSPORT
9
10.7
2
2.3