From: Assessing quality indicators related to mental health emergency room utilization
ER Utilization | 2014–15 (N = 865,255) | 2005–06 (N = 817,395) | Relative trend (%)e | ||||
N (ind.) | % (ind.) | Freq. meand | N (ind.) | % (ind.) | Freq. mean | ||
 Patients with MI | 341,030 | 39.41 | 2.25 | 326,570 | 39.95 | 2.25 | −3.45 |
 High users with MIa | 55,129 | 16.17 | 6.01 | 51,466 | 15.76 | 6.09 | −0.26 |
 Very high users with MIb | 2759 | 0.81 | 16.72 | 2817 | 0.86 | 17.01 | −3.53 |
Hospitalization | N (ind)c | % (ind. Hosp.) | Length hosp. | N (ind)c | % (ind. Hosp.) | Length hosp. | Relative trend (%)e,f |
 Patients with MI | 116,675 | 34.21 | 16.01 | 108,915 | 33.35 | 16.62 | −3.32 |
 High users with MI | 31,955 | 57.96 | 11.85 | 26,984 | 52.43 | 11.95 |  |
 Very high users with MI | 2001 | 72.53 | 7.90 | 1843 | 65.42 | 7.97 |  |