Table 3:

Association between patient and call characteristics and hospital transport

VariableUnadjusted*
OR (95% CI)
Adjusted
OR (95% CI)
Age (years)1.00 (1.00–1.01)1.00 (1.00–1.01)
Sex, male0.89 (0.79–1.01)0.89 (0.79–1.01)
Documented diabetes diagnosis0.82 (0.69–0.96)0.82 (0.69–0.96)
Insulin use0.95 (0.82–1.09)0.95 (0.82–1.09)
Oral antihyperglycemic agent use1.06 (0.89–1.25)1.06 (0.89–1.26)
Glasgow Coma Scale score < 91.13 (0.97–1.32)1.12 (0.65–1.31)
Canadian Triage Acuity Scale level ≤ 32.09 (1.61–2.71)2.05 (1.58–2.66)
Overnight call (18:00–06:00)0.81 (0.72–0.91)0.80 (0.72–0.91)
“Diabetic emergency” as final primary problem code1.10 (0.97–1.25)1.10 (0.97–1.25)
Crew type
 Advanced care paramedics (referent group)1.001.00
 Emergency medical assistants or primary care paramedics0.94 (0.80–1.10)0.94 (0.81–1.10)
 Primary care paramedics with advanced training to administer IV medications1.34 (0.83–2.17)1.31 (0.82–2.11)
CBG (per mmol/L)0.26 (0.24–0.29)0.31 (0.22–0.44)
Treatment
 Oral glucose alone (referent group)1.001.00
 IV dextrose alone or with oral glucose1.11 (0.92–1.30)1.63 (0.70–3.80)
 Any IM glucagon (alone, with oral glucose or with IV dextrose)1.14 (0.97–1.34)3.89 (1.64–9.20)
 All 3 (oral glucose + IV dextrose + IM glucagon)0.45 (0.14–1.37)0.21 (0.02–2.18)
Interaction of CBG and treatment
 CBG (per mmol/L), oral glucose (referent group)1.00
 CBG (per mmol/L), IV dextrose alone or with oral glucose0.90 (0.63–1.28)
 CBG (per mmol/L), any IM glucagon (alone, with oral glucose or with IV dextrose)0.67 (0.47–0.95)
 CBG (per mmol/L), all 3 (oral glucose + IV dextrose + IM glucagon)1.52 (0.56–4.12)
  • Note: CBG = capillary blood glucose, CI = confidence interval, IM = intramuscular, IV = intravenous, OR = odds ratio.

  • * Main effects model.

  • Adjusted for interaction between CBG and treatment.