Research Article

Comparative Study on the Outcome of Stroke Patients Transferred by Doctor Helicopters and Ground Ambulances in South Korea: A Retrospective Controlled Study

Table 1

Characteristics of patients assisted via HEMS or GEMS.

HEMSGEMS value

Patients (male)26 (7)102 (65)
Age (mean ± SD)69.70 ± 17.8767.67 ± 13.480.608
Systolic BP145.15 ± 32.88148.38 ± 30.420.878
Diastolic BP80.34 ± 24.3783.76 ± 17.850.516
Pulse rate78.88 ± 18.5289.94 ± 19.040.024
Respiratory rate18.73 ± 1.7020.05 ± 3.600.020
Body temperature36.51 ± 0.6636.48 ± 0.940.881
Period of hospitalization (days)18.96 ± 4.2822.50 ± 4.140.584
ICU stay (days)5.22 ± 0.997.55 ± 1.370.247
GW stay (days)13.74 ± 4.0314.95 ± 4.100.848

Time analysis
Transportation time (hours)1.12 ± 0.681.56 ± 0.75<0.001
Time from incident to GW admission (hours)2.94 ± 1.914.20 ± 2.40<0.001
Decision time for admission (min)4.22 ± 1.9334.13 ± 9.72<0.001

HEMS: helicopter emergency medical services; GEMS: ground emergency medical services; ICU: intensive care unit; GW: general ward. Transportation time is the time of travel between the scene and the hospital.