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Table 2 Proportions for select steps in TB targeted testing cascade among homeless persons, by recruitment method

From: Care Cascade for targeted tuberculosis testing and linkage to Care in Homeless Populations in the United States: a meta-analysis

Cascade Step Number of studies* N Proportion 95% CI Number of studies* N Proportion 95% CI P value for difference between recruitment types
  Healthcare facility based Other service based**  
Recruited of reached 1 829 100% 99.5 to 100% 1 750 78.1% 75.0 to 80.9% < 0.001
Tests placed of recruited 2 923 100% 99.9 to 100% 5 2775 95.2% 80.8 to 100% 0.081
Valid results of tests placed 4 3926 93.9% 65.1 to 91.1% 6 26,839 78.6% 70.8 to 85.5% 0.247
Positive of valid results 4 3000 33.6% 18.0 to 51.2% 11 33,661 23.5% 19.1 to 28.3% 0.249
Referred to follow-up of positive 1 33 100% 89.6 to 100% 2 113 100% 98.3 to 100% 1.000
Attended follow-up of referred 1 33 100% 89.6 to 100% 2 113 100% 98.3 to 100% 1.000
  1. *Not all studies reported data on all cascade steps
  2. **Other service based recruitment includes recruitment from shelters, single room occupancy hotels, drop-in/day centers, substance abuse treatment facilities, meal programs, and other agencies that provide services to a primarily homeless or very low income clientele