From: Priorities among effective clinical preventive services in British Columbia, Canada
Clinical Preventive Service | Effectiveness (Range) | Reference |
---|---|---|
Screening / treatment for depression (ages 12-18) | Cognitive behavioural therapy is associated with a clinically significant improvement in 12.1% of youth with MDD while fluoxetine is associated with a 25.7% (16.2 - 35.2%) improvement. | [57] |
Interventions to support breastfeeding | Breastfeeding promotion interventions are associated with a 44% (13 - 84%) increase in long-term (≥6 months) exclusive breastfeeding. | [58] |
Screening for obesity and referral to comprehensive, intensive behavioral intervention to promote improvement in weight status (children & youth) | Completion of a comprehensive intervention is associated with an 18.8% (6.1 – 40.2%) reduction in obesity. | |
Preventing tobacco use (school-aged children & youth) | Interventions aimed at reducing smoking initiation / smoking cessation among non-smoking / smoking children and youth have an effectiveness of 18% (6 - 28%) and 34% (5 - 69%). | [61] |
Application of fluoride varnish | The application of fluoride varnish reduces decayed, missing and filled teeth by 37% (24 - 51%). | [62] |
Application of dental sealants | The application of dental sealants reduces decayed, missing and filled teeth by 84% at year 1, decreasing to 55% at year 9. | [63] |
Screening / treatment for breast cancer | Screening mammography in women ages 50-74 leads to a reduction in breast cancer mortality of 21% (10 - 32%). | [64] |
Screening / treatment for cervical cancer (cytology-based) | Cervical cancer screening in women ages 25-69 leads to a reduction in cervical cancer mortality of 35% (10 - 53%). | [65] |
Addition of HPV-based cervical cancer screening | HPV-based screening is associated with a 55% (19 - 75%) reduction in the incidence of cervical cancers in females ages 30 – 64, when compared to cytology-based screening. | [66] |
Screening / treatment for colorectal cancer (CRC) | Screening with gFOBT is associated with a reduction in mortality from CRC by 18% (8 - 27%) and the incidence of late stage CRC by 8% (1 - 15%). Screening with flexible sigmoidoscopy is associated a reduction in mortality from CRC by 26% (18 - 33%) and the incidence of late stage CRC by 27% (18 - 34%). | [67] |
Screening / treatment for lung cancer | Screening for lung cancer is associated with a 19.6% (7.7 - 30.0%) reduction in mortality from lung cancer. | [68] |
Screening / treatment for hypertension | Lowering blood pressure by 10/5 mmHg results in a 22% (17 -27%) reduction in cardiovascular events and a 41% (33 - 48%) reduction in cerebrovascular events. | [69] |
Screening / treatment for cardiovascular disease | Statin therapy is associated with a 14% (7 - 20%) decreased risk of all-cause mortality, a 31% (12 - 46%) decreased risk of cardiovascular mortality, a 36% (29 - 43%) decreased risk of myocardial infarction and a 29% (18 - 38%) decreased risk of stroke. | [70] |
Screening / treatment for type 2 diabetes | Screening / treatment for type 2 diabetes is associated with 5.2 (2.7 - 7.5) myocardial infarction events prevented, 8.0 (6.2 - 9.5) microvascular events prevented and 3.2 (1.0 - 5.8) premature deaths prevented per 1000 people screened. | [71] |
Screening / treatment for depression (adults) | The use of ADM for major depression is associated with a 64% (12 - 85%) reduced risk of recurrent depression. | [72] |
Screening / treatment for depression (pregnant and postpartum females) | Participation in programs involving depression screening leads to a 32% (18 - 59%) reduced risk of depression 3-5 months later. | [73] |
Screening / treatment for osteoporosis | Long-term treatment compliance with bisphosphonates is associated with a 23% reduction in hip fractures and a 26% reduction in vertebral fractures. | |
Screening / treatment for abdominal aortic aneurysm (AAA) | Screening and treatment for AAA is associated with a 115% (89 - 144%) increase in elective surgeries, a 48% (34 - 60%) reduction in emergency surgeries and a 42% (12 - 61%) reduction in AAA-related mortality. | [76] |
Screening / treatment for HIV | The early initiation of antiretroviral therapy is associated with a 64% (25 - 96%) reduction in the transmission rate per person-year. | |
Screening / treatment for chlamydia and gonorrhea | Screening reduces the lifetime risk of chronic pelvic pain, infertility and ectopic pregnancy by 41%. | [79] |
Screening / treatment for HCV | The effectiveness of direct acting antiviral treatment in producing a sustained viral response (i.e., a cure) is 97% (95 - 99%). | |
Screening and BCI for the prevention of sexually transmitted infections | High intensity behavioural counselling interventions are associated with a 62% (40 - 76%) reduction in STI incidence in adolescents and a 30% (13 - 44%) reduction in STI incidence in adults. | [86] |
Screening and BCI to prevent tobacco use (adults) | Quit rates improve from 10.9 to 28.0% (23.0 - 33.6%). | |
Screening and BCI to prevent alcohol misuse (adults) | 13.9% (8.7 - 16.1%) improvement in the proportion of adults achieving recommended drinking limits. | [89] |
Screening for and management of obesity (adults) | 20% (14 to 25%) of participants lost at least 5% of their body weight. | [90] |
Screening / treatment to prevent falls in the elderly | Interventions involving exercise or physical therapy reduce falls in community-dwelling elderly by 13% (6 - 19%). | [91] |
Routine aspirin use for the prevention of cardiovascular disease (CVD) and colorectal cancer (CRC) | Initiating low dose aspirin use for the primary prevention of CVD and CRC in adults aged 50 to 59 years who have a 10% or greater 10-year CVD risk, are not at increased risk for bleeding, have a life expectancy of at least 10 years, and are willing to take low-dose aspirin daily for at least 10 years reduces the risk of nonfatal myocardial infarction by 17% (6 – 26%), the risk of nonfatal stroke by 14% (2 – 24%), the incidence of colorectal cancer by 40% (24 – 53%) and the risk of death from CRC about 20 years later by 33% (14 – 48%). | |
Folic acid supplementation for the prevention of neural tube defects (NTDs) | Daily supplementation during pregnancy results in a 69% (42 - 83%) reduction in NTDs. | [94] |