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Table 6 Secondary outcome measures (AO = Admissions outcomes)

From: A cluster randomised stepped wedge trial to evaluate the effectiveness of a multifaceted information technology-based intervention in reducing high-risk prescribing of non-steroidal anti-inflammatory drugs and antiplatelets in primary medical care: The DQIP study protocol

Number Denominator Numerator
   Trigger event plus high-risk prescription
Specific hospital admissions that were preceded by high-risk prescribing
AO-1 Patient time with GI risk factors as defined in PO- measures 1 to 6 (Table 4) # Number of denominator patients admitted with GI bleeding who had any high risk prescription as defined in PO-measures 1 to 6 (Table 4) in the eight weeks before admission
AO-2 Patient time with heart failure as defined in PO-measure 7 (Table 4) # Number of denominator patients admitted to hospital for HF - exacerbation who had a high-risk prescription as defined in PO-measure 7 (Table 4) in the eight weeks before admission
AO-3 Patient time with renal risk factors as defined in PO-measures 8 to 9 (Table 4)# Number of denominator patients admitted to hospital for acute renal failure or with dehydration or diarrhoea (both defined as potentially inappropriate/ambulatory care sensitive admissions) who had any high-risk prescription as defined in PO-measures 8 to 9 (Table 4) in the eight weeks before admission
Specific hospital admissions irrespective of high-risk prescribing
AO-4 Patient time with GI risk factors as defined in PO-measures 1 to 6 (Table 4)# Number of denominator patients, who are admitted to hospital for GI bleeding
AO-5 Patient time with heart failure as defined in PO-measure 7 (Table 4)# Number of denominator patients, who are admitted to hospital for HF - exacerbation
AO-6 Patient time with renal risk factors as defined in PO-measures 8 to 9 (Table 4)# Number of denominator patients, who are admitted to hospital for acute renal failure or with dehydration or diarrhoea (both defined as potentially inappropriate/ambulatory care sensitive admissions)
Any cause hospital admissions
AO-7 Patient time with GI risk factors as defined in PO-measures 1 to 6 (Table 4)# Number of denominator patients admitted to hospital with any emergency admission
AO-8 Patient time with heart failure as defined in PO-measure 7 (Table 4)# Number of denominator patients admitted to hospital with any emergency admission
AO-9 Patient time with renal risk factors as defined in PO-measures 8 to 9 (Table 4)# Number of denominator patients admitted to hospital with any emergency admission
  1. # The denominator is the time that each patient is defined as having risk factors by virtue of age, disease or co-prescribing in the year before the intervention and the year of follow-up. AO measures 1 to 3 consider specific hospital admissions where patient has had a recent high-risk prescription; AO measures 4 to 6 consider specific hospital admissions irrespective of whether or not the patient has a had a recent high-risk prescription; AO measures 7 to 9 consider all emergency admissions