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Table 3 Incidence rates of hypoglycemia requiring emergency medical services. (Rates for patients with type 1 diabetes, type 2 diabetes treated with a) non-secretagogues, b) secretagogues, or insulin)

From: Temporal changes in frequency of severe hypoglycemia treated by emergency medical services in types 1 and 2 diabetes: a population-based data-linkage cohort study

Group June 1997–May 1998 1 January 2011–31 December 2012
Incidence ratea (95% CI) Events (person-years) Incidence ratea (95% CI) IRRb (95% CI) P value
Type 1 0.115 (0.094–0.136) 319 (3867.35) 0.082 (0.073–0.092) 0.720 (0.580–0.892) < 0.001
Type 2 a) 0.001 (0.000–0.002) 50 (22,100.36) 0.002 (0.002–0.003) -- --
b) 0.009 (0.006–0.013) 51 (9318.80) 0.005 (0.004–0.007) -- --
Insulin 0.118 (0.095–0.141) 282 (7601.69) 0.037 (0.033–0.041) 0.314 (0.249–0.395) 0.008
All type 2 0.017 (0.014–0.020) 383 (39,020.86) 0.010 (0.009–0.011) 0.571 (0.468–0.696) < 0.001
  1. aIncidence rate is expressed as events per person per year. b IRR incidence rate ratio