Skip to main content
. Author manuscript; available in PMC: 2022 May 6.
Published in final edited form as: J Trauma Acute Care Surg. 2020 Jul;89(1):246–253. doi: 10.1097/TA.0000000000002690

TABLE 2.

Patient Demographics and Prehospital Characteristic Differences Between Rural Patients With and Without County Resources

No Resources (n = 32,980) Resources (n = 83,521) Absolute Standardized Difference
Age 52 (31–72) 52 (32–73) 0.039
Sex (male) 20,800 (63.1%) 50,520 (60.5%) 0.053
ISS 10 (5–17) 9 (5–16) 0.131*
GCS score ≤ 13 3,476 (21.5%) 8,167 (19.6%) 0.048
SBP <90 mm Hg 689 (3.9%) 1,583 (3.6%) 0.019
RR <10 or >29 bpm 1,592 (9.3%) 3,240 (7.4%) 0.07
Penetrating injury 1,582 (4.8%) 3,856 (4.6%) 0.009
Flail chest 341 (1.0%) 697 (0.8%) 0.021
Open skull fracture 420 (1.3%) 800 (1.0%) 0.03
≥2 long bone fractures 768 (2.3%) 1,545 (1.8%) 0.033
Pelvic fracture 2,786 (8.4%) 6,339 (7.6%) 0.032
Crush injury 148 (0.4%) 304 (0.4%) 0.013
Amputation 92 (0.3%) 167 (0.2%) 0.016
Paralysis 193 (0.6%) 415 (0.5%) 0.012
Distance (miles) 40.8 (23.7, 63.1) 27.6 (15.0, 41.3) 0.473*
Prehospital time (minutes) 69 (55, 99) 56 (44, 75) 0.288*
HEMS transport 9,172 (36.9%) 18,118 (28.6%) 0.177*
Undertriage 3,107 (9.4%) 6,878 (8.2%) 0.042
Mortality 1,840 (5.6%) 4,071 (4.9%) 0.032
*

Absolute values for the standardized difference > 0.1 represent significant imbalance between groups in the distributions of the variable indicated.

Continuous variables presented as median (IQR).

Categorical variables presented as n (%).