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Table 2 Characteristics of patients identified by the various systems during the HIRT-A periods

From: Physician staffed helicopter emergency medical service dispatch via centralised control or directly by crew – case identification rates and effect on the Sydney paediatric trauma system

 

Identified for physician team response by the HIRT system (n = 20)

Identified for physician team response by RLTC system (n = 3)

Not identified for physician team response (n = 21)

P

Mean Age - years

7.3 ± 4.6

6.0 ± 4.6

7.3 ± 5.8

0.92

Median ISS

25 (18-34)

21 (18-no 75th percentile available)

18 (17-23)

0.011

Median time to arrival in PTC - minutes

67 (31-101)

92 (20-no 75th percentile available)

261 (68-348)

0.015

Median length of ICU stay - days

2 (0-11)

2 (0-no 75th percentile available)

0 (0-2)

0.045

Median length of hospital stay - days

8 (1-42)

5 (1-no 75th percentilile available)

7 (4-14)

0.83