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)
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 |