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Table 4 Risk markers and outcomes of studies evaluating prescription drug overdose

From: Risk markers for fatal and non-fatal prescription drug overdose: a meta-analysis

First author, year

Risk markers and exposures assessed

Outcome

Sample size

Bauer et al. 2016

Age, sex, race/ethnicity, veteran, location of death, autopsy performed

Drug overdose death

28,033

Bohnert et al. 2011 a

Sex, age, race, clinical diagnoses, comorbid conditions, as well as opioid dose and schedule

Unintentional prescription opioid overdose (ICD-10 X42, X44, Y12 or Y14 in combination with T40.2)

155,434

Bohnert et al. 2012 a

Sex, age, Charlson comorbidities, psychiatric diagnoses, substance use disorders, alcohol use disorders, other specific drug use or mental health disorders

Death by accidental medication overdose was an accidental death with an underlying cause of death coded as ICD-10 codes X40-X45 due in part or whole to prescription or over the counter medications (ICD-10 codes T36.0-T39.9, T40.2-T40.4, and T42.0-T50.9)

3,291,891

Brady et al. 2015

ED utilization, age, sex, race, clinical characteristics

Prescription drug overdose death

5464

Caudarella et al. 2016

Age, gender, ethnicity, homelessness, incarceration, daily cocaine injection, daily heroin injection, daily crack smoking, methadone maintenance treatment, HIV serostatus, and HCV serostatus

Overdose mortality

2317

CDC Medicaid. 2009

Sex, age, Medicaid

A Washington state resident whose death certificate had a manner of death listed as “accidental” or “natural” and one or more contributing causes coded as ICD-10 (T40.0-T40.6 and F11) and specific words compatible with acute drug intoxication recorded in any death field and a prescription opioid in any of the cause of death fields

6,321,950

CDC Non-illicit Drugs Utah 2005 b

Sex, age, area of residence

Non-illicit drug poisoning death

2,281,235

CDC Prescription opioid pain relievers. 2011

Sex, age, race

Prescription drug overdose deaths (with underlying causes of deaths listed as ICD-10 codes X40-X44, X60-X64, X85 or Y10-Y14 and having T36-T39, T40.2-T40.4, T41-T43.5, and T43.7-T50.8) as contributing causes

304,093,966

CDC Urbanization, New Mexico, 2005

Urbanization

Unintentional poisoning deaths from prescription drugs (i.e. methadone, other opioid painkiller, tranquillizer/muscle relaxant, antidepressant, barbiturate, or other prescription drug)

17,919,059

Cerdá et al. 2013

Sex, age, race

Analgesic overdose fatalities (ICD-10 X40-X44, T40.0-T40.2)

3883

Coben et al. 2010

Sex and age

Hospitalizations for poisoning by prescription opioids, sedatives and tranquilizers (ICD-9965.02, 965.09, 965.5, 965.8, 967.0, 969.4, 969.5, 967.8, and 967.9.) Poisonings were classifıed as unintentional if there was an E-code present in the E850–E858 range (accidental poisonings by drugs, medicinal substances, and biologicals)

39,450,216

Dilokthornsakul et al. 2016

Sex, age, mean morphine dose equivalents, methadone use, chronic opioid use, pain diagnosis, comorbidities, history of other medication use

≥1 medical claim for an emergency department visit or a hospitalization associated with an opioid overdose

3264

Dunn et al. 2010

Sex, age, history of depression, history of substance abuse, opioid dose, any opioid use

Opioid-related overdose death, or non-fatal event defined as definite or probable opioid-related overdose

9940

Gomes et al. 2011 c

No. of pharmacies dispensing opioids, daily dose of opioids (>200 mg MME)

Opioid-related death

2212

Hall et al. 2008

Sex, age, marital status and highest education

Unintentional drug overdose deaths that involved prescription pharmaceuticals. This excluded those overdoses due solely to illicit drugs, over-the-counter products, or alcohol.

182,170

Hartung et al. 2007

Type of long acting opioid (Methadone, Oxycodone, Fentanyl, Morphine)

Administrative claims for an opioid-related serious adverse event, ED encounter or hospitalization for opioid-related adverse event (CPT code 99281-99285 or 99,288 or ED revenue center codes of 45× or 981 with ICD-9965.0×), opioid poisoning (ICD-9965.0×), or overdose symptoms (ICD-9 codes 780.0×, 78.07×, 418.81, 518.82, 564.0×)

5684

Havens et al. 2011a

Sex, age, race, psychiatric comorbidities, substance use

Non-fatal overdose

400

Hulse et al. 2001

Sex

Hospitalization for prescription /over the counter drugs

160

Lanier et al. 2012

Sex, age, race, marital status, body mass index, uninsured, education, employment status, smoking status, residence in an urban county, military service

Death from prescription opioids

1562

Mack 2013

Age and race

Prescription drug overdose deaths (with underlying causes of deaths listed as ICD-10 codes X40-X44, X60-X64, X85 or Y10-Y14 and having T36-T39, T40.2-T40.4, T41-T43.5, and T43.8-T50.8) as contributing causes

157,237,928

Paulozzi et al. 2012

Sex, age, prescription history

Death from unintentional drug overdose

6293

Peirce et al. 2012

Prior doctor and or pharmacy shopping

Controlled substance-related death

1,049,903

Piercefield et al. 2010 d

Sex, age, race and urban/rural

Medication overdose deaths

3,540,517

Rudd et al. 2016

Sex, age, race

Prescription drug overdose deaths (with underlying causes of deaths listed as ICD-10 codes X40-X44, X60-X64, X85 or Y10-Y14 and having T36-T39, T40.2-T40.4, T41-T43.5, and T43.7-T50.8) as contributing causes

641,538,924

Seal et al. 2012 a

Opioid use, post-traumatic stress disorder (PTSD), PTSD with or without other mental health disorders

Opioid-related accidents and overdoses (ICD-9 codes: 965.00, 965.01, 965.02,965.09, E850.0, E850.1, E850.2, E935.0, E935.1, and E935.2)

141,030

Silva et al. 2013

Sex, race, psychiatric care, substance use

Non-fatal overdose on prescription opioids and/or tranquilizers

596

Turner and Liang 2015

Sex, age, US region, clinical conditions, mental health and substance use disorders,

Any drug overdose event

206,869

Whitmire and Adams 2010 d

Eligibility category, race, residence, specific disorders, drug claims

Unintentional overdose death (ICD-10 X40-X49)

2801

Zedler et al. 2014

Age, sex, race/ethnicity, marital status, BMI, US Census region, comorbidities, opioid use, all-cause health care utilization (ED visits)

Occurrence of serious opioid-related toxicity or overdose as defined by listed ICD-9-CM and CPT codes

8987

  1. MMEs morphine milligram equivalents, CPT current procedural terminology, ICD-9 international classification of diseases, 9th revision, ICD-10 international classification of diseases, 10th revision, CS controlled substances, OME office of the medical examiner
  2. aStudies are not independent
  3. bInformation refers to deaths occurring between 1999 and 2003
  4. cInformation refers to deaths occurring between 2004 and 2006
  5. dMatching variables not included in risk markers