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INDICATOR NAME
Name
Cervical cancer screening participation
Alternate Name
Percentage of screen-eligible Ontarians, 21-69 years old, who completed at least one Pap test in a 42-month period
 
INDICATOR DESCRIPTION
Description
Percentage of Ontario screen-eligible women, 21-69 years old, who have completed at least one Pap test in a 42 month period .
Indicator Status
Active
HQO Reporting tool/product
Public reporting
Dimension
Effective, Timely
Type
Process
 
DEFINITION AND SOURCE INFORMATION
Unit of Measurement
Percentage
Calculation Methods
Numerator divided by the denominator times 100
Numerator including inclusion/exclusion

Total number of Ontario screen-eligible women, 21-69 years old, who have completed at least one Pap test in a 42 month period

Identifying Pap tests:

  • Pap tests were identified through CytoBase
  • Pap tests were also identified using fee codes through OHIP:
  • E430A: add-on to a003, a004, a005, a006 when pap performed outside hospital
  • G365A: Periodic-pap smear
  •  
  • E431A:When Papanicolaou smear is performed outside of hospital, to G394.
  • G394A: Additional for follow-up of abnormal or inadequate smears
  • L713A: Lab.med.-anat path,hist,cyt-cytol-gynaecological specimen
  • L733A: Cervicovaginal specimen (monolayer cell methodology)
  • L812A: Cervical vaginal specimens including all types of cellular abnormality, assessment of flora, and/or cytohormonal evaluation
  • Q678A: Gynaecology – pap smear – periodic – nurse practitioners
  • L643A: Lab Med - Microbiol - Microscopy - Smear Only, Gram/Pap Stain
  • All Pap tests in CytoBase were counted, including those with inadequate specimens
  • Each woman was counted once regardless of the number of Pap tests performed in a 42 month time frame

Denominator including inclusion/exclusion

Total number of Ontario screen-eligible women, 21-69 years old in the reporting period

Exclusions

  • Women diagnosed with an invasive cervical cancer prior to January 1st of  the reporting period, e.g. January 1st 2014 for 2014-2016; prior diagnosis of cervical cancer was defined as: ICD-O-3 codes C53, a morphology indicative of cervical cancer, microscopically confirmed with a path report
  • Women who had a colposcopy and/or treatment within 2 years prior to January 1st of the reporting period
  • Colposcopy and/or treatment were identified through OHIP, using the following   fee Codes:
  •  Colposcopy
  • Z731 - Initial investigation of abnormal cytology of vulva and/or vagina or cervix under colposcopic technique with or without biopsy(ies) and/or endocervical curetting
  • Z787 - Follow-up colposcopy with biopsy(ies) with or without endocervical curetting
  • Z730 - Follow-up colposcopy without biopsy with or without endocervical curetting
  • Treatment
  • Z732 - Cryotherapy
  • Z724 - Electro
  • Z766 - Electrosurgical Excision Procedure (LEEP)
  • S744 - Cervix - cone biopsy - any technique, with or without D&C
  • Z720 - Cervix Biopsy - with or without fulguration
  • Z729 - Cryoconization, electroconization or CO2 laser therapy with or without curettage for premalignant lesion (dysplasia or carcinoma in-situ), out-patient procedure
  • Women with a hysterectomy prior to January 1st of the reporting period
  • Women with a hysterectomy were identified through OHIP, using the following fee codes:
  • E862A – When hysterectomy is performed laparoscopically, or with laparoscopic assistance
  • P042A – Obstetrics – labour – delivery – caesarean section including hysterectomy
  • Q140A – Exclusion code for enrolled female patients aged 35-70 with hysterectomy
  • S710A – Hysterectomy - with or without adnexa (unless otherwise specified)  – with omentectomy for malignancy
  • S727A – Ovarian debulking for stage 2C, 3B or 4 ovarian cancer and may include hysterectomy
  • S757A – Hysterectomy – with or without adnexa (unless otherwise specified) – abdominal – total or subtotal
  • S758A – Hysterectomy - with or without adnexa (unless otherwise specified) – with anterior and posterior vaginal repair and including enterocoele and/or vault prolapse repair when rendered
  • S759A - Hysterectomy - with or without adnexa (unless otherwise specified) – with anterior or posterior vaginal repair and including enterocoele and/or vault prolapse repair when rendered
  • S762A - Hysterectomy - with or without adnexa (unless otherwise specified) – radical trachelectomy - excluding node dissection
  • S763A - Hysterectomy - with or without adnexa (unless otherwise specified) – radical (Wertheim or Schauta) - includes node dissection
  • S765A – Amputation of cervix
  • S766A- Cervix uteri - Exc - cervical stump – abdominal
  • S767A- Cervix uteri - exc - Cervical stump – vaginal
  • S816A - Hysterectomy - with or without adnexa (unless otherwise specified) - vaginal

Adjustment (risk, age/sex standardization)- detailed
Age-standardized rates using 2011 Canadian population
Data Source
CytoBase, Ontario Cancer Registry (OCR), Ontario Health Insurance Plan (OHIP) Claims History Database, Registered Persons Database (RPDB)
Data provided to HQO by
Cancer Care Ontario (CCO)
Reported Levels of comparability /stratifications (defined)
Age, Immigration, Income, Region, Rurality, Time
 
OTHER RELEVANT INFORMATION
Caveats and Limitations
• Pap test results are available in CytoBase only • CytoBase includes only Pap tests analyzed in community-based laboratories in Ontario; Pap tests analyzed in Ontario hospitals and Community Health Centres are not captured in CytoBase • It is difficult to determine whether a Pap test in CytoBase and/or OHIP was done for screening or diagnostic purposes, and therefore, some Pap tests included in these analyses may have been performed for diagnostic purposes . Income analysis is done for urban residents only
Comments Detailed
Neighborhood percent immigrant was determined using PCCF+; this indicator divides DAs into three categories according to the percentage of immigrants: low immigrant (≤ 27% immigrant population), moderate immigrant (27.1-51.8% immigrant population), and high immigrant (≥ 51.9% immigrant population) • Neighbourhood income quintile was determined using PCCF+; this indicator was based on income quintiles developed by Statistics Canada; income quintiles range from 1 to 5 (low to high) Rural or urban residence was determined using PCCF+. This indicator was based on whether individuals lived within a census metropolitan area (CMA), census agglomeration (CA) or Influenced Zones (MIZ) which takes into account population size, distance and commuting flow between rural and small towns and larger centres. o Urban: CMAs or CAs with a core population of 10,000 or more and 50+% of the population commute to a CMA/CA. o Rural: Areas with a core population of <10,000 and 30-49% of the population commute to an urban area (referred to as strong MIZ in Statistics Canada's classification) o Rural-Remote: Areas with a core population of <10,000 and 5-29% of the population commute to an urban area (referred to as Moderate MIZ in Statistics Canada's classification) o Rural-Very Remote: Areas with a core population of <10,000 and 0-4% of the population commute to an urban area, also includes non-urban parts of Territories (referred to as Weak MIZ, No MIZ, Territories outside CAs in Statistics Canada's classification)
 
TAGS
Sector
Primary Care
Type
Process
Topic
Population Health, Prevention / Screening
Dimension
Effective, Timely
Source
CytoBase, Ontario Cancer Registry (OCR), Ontario Health Insurance Plan (OHIP) Claims History Database, Registered Persons Database (RPDB)
 
PUBLISH
Publish Datetime
20/11/2018 15:34:00