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Table 1 Incidence rates of adverse events identified in NACRS/ DAD/ MHRS for Ontario home care clients in 2008 and 2009

From: Adverse events among Ontario home care clients associated with emergency room visit or hospitalization: a retrospective cohort study

Adverse event % (n*) Clients per 1,000 client-days
2008 (N** = 380,962) 2008
2009 (N = 387,885) 2009
Injurious fall 4.93(18,784) 0.333
5.05 (19,603) 0.339
Injury other than fall 4.14 (15,758) 0.279
4.30 (16,666) 0.288
Medication-related ED or hospitalization 2.96 (4,802) 0.200
3.13 (5,515) 0.210
Sepsis / Bacteraemia 1.26 (4,802) 0.085
1.42 (5,515) 0.095
Delirium 0.94 (3,577) 0.063
1.05 (4,085) 0.071
Deep vein thrombosis 0.74 (2,811) 0.050
0.84 (3,249) 0.056
Diabetic foot ulcer 0.40 (1,513) 0.027
0.39 (1,502) 0.026
Pressure ulcer (stage 2+) 0.12 (437) 0.019
0.12 (471) 0.020
Pulmonary embolus 0.28 (1,049) 0.008
0.29 (1,144) 0.008
Venus leg ulcer 0.05 (203) 0.004
0.06 (241) 0.004
Suicide + -- --
0.13 (503) 0.009
Others 0.43 (1,654) 0.029
0.45 (1,763) 0.030
Overall 12.72 (48,461) 0.858
13.31 (51,631) 0.892
  1. *n = Number of home care clients with adverse event, i.e., the numerator of the incidence rate.
  2. **N = Number of home care clients who are at risk of adverse event, i.e., the denominator of the incidence rate.
  3. +Only 2009 rate is available because of very limited cases available for 2008.
  4. Other adverse events include wound infection, medical device-associated infections, new pressure ulcer less than stage 2+, new stasis ulcer or worsening, and any new injury.