Cochrane · systematic review · CD012515
Training health workers in clinical breast examination for early detection of breast cancer in low‐ and middle‐income countries
Sayed, S, Ngugi, AK, Nwosu, N, et al. · Cochrane Database of Systematic Reviews · 2023 · Cochrane Library
Breast CancerAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
6
current version
GRADE rated
6
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 2 · 33.3%Low 2 · 33.3%Moderate 2 · 33.3%High 0 · 0%
Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.
Questions and results
Summary of findings table 1
Population: health workers
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Breast cancer stage at the time of presentation: defined as the proportion of women with breast cancer diagnosed at early stage (stage 0, I, II) Time of outcome assessment: 3 years to 20 years Method of measurement: CBE | RR 1.44 [1.01, 2.06] | 3 studies · 593 participants | Low Downgraded: risk of bias, imprecision |
Breast cancer stage at the time of presentation: defined as the proportion of women with breast cancer diagnosed at late stage (stage III, IV) Time of outcome assessment: 3 years to 20 years Method of measurement: CBE | RR 0.58 [0.36, 0.94] | 3 studies · 593 participants | Low Downgraded: risk of bias, imprecision |
Accuracy of health worker‐performed CBE Time of outcome assessment: 2 years to 20 years Method of measurement: Sensitivity, specificity and positive predictive value | no estimate extracted | 2 studies · 2 participants | Very low Downgraded: risk of bias, inconsistency, indirectness |
CBE coverage Time of outcome assessment: 20 years Method of measurement: active surveillance | no estimate extracted | 1 study · 1 participants | Moderate Downgraded: risk of bias |
Completion of | no estimate extracted | 1 study · 1 participants | Moderate Downgraded: risk of bias |
Breast cancer mortality: defined as deaths among women who received a diagnosis of breast cancer Time of outcome assessment: 3 years to 20 years Method of measurement: death registration offices, hospital records, and house visits | RR 0.88 [0.24, 3.26] | 2 studies · 355 participants | Very low Downgraded: risk of bias, inconsistency |