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Table 2 Characteristics of participants ≥15 years with confirmed pulmonary TB in Lwak and Kibera study sites in Kenya, 2011–2014

From: Tuberculosis case finding using population-based disease surveillance platforms in urban and rural Kenya

Lwak Kibera
  From home screeninga From facility-based screeningb From home screeninga From facility-based screeningb Total
N = 18 N = 28 N = 14 N = 41 N = 101
n(%) n(%) n(%) n(%) n(%)
Mean age 51 41 34 33 37
 (Min – max) (23–77) (21–56) (24–54) (19–59) 19–77
Gender
 Male 7 (38.9) 16 (57.1) 5 (35.7) 23 (56.1) 51 (50.5)
HIV status
 Positive 6 (33.3) 24 (85.7) 6 (42.9) 19 (46.3) 55 (54.5)
 Negative 4 (22.2) 3 (10.7) 3 (21.4) 16 (39.0) 26 (25.7)
 Unknown 8 (44.4) 1 (3.6) 5 (35.7) 6 (14.6) 20 (19.8)
Socioeconomic statusc
 Low 9 (50.0) 5 (17.9) 14/46 (30.4)
 Middle 4 (22.2) 16 (57.1) 20/46 (43.5)
 High 5 (27.8) 6 (21.4) 11/46 (23.9)
 Not available 0 (0) 1 (3.6) 1/46 (2.2)
Previous history of TBd 4 (22.2) 3 (21.4) 7/32 (21.9)
Symptoms reported
 Cough 16 (88.9) 20 (71.4) 9 (64.3) 30 (73.2) 75 (74.3)
 Fever 3 (16.7) 15 (53.6) 6 (42.9) 6 (14.6) 30 (29.7)
 Night sweats 6 (33.3) 8 (28.6) 5 (35.7) 5 (12.2) 24 (23.8)
 Weight loss 4 (22.2) 7 (25.0) 5 (35.7) 5 (12.2) 21 (20.8)
Duration of symptomse
  ≤ 2 weeks 14 (77.8) 8 (57.1) 22 (21.8)
  > 2 weeks 4 (22.2) 6 (42.9) 10 (9.9)
Coinfectionsf
 Positive blood culture 2/13 (15.4) 2/13 (15.4)
 Positive malaria smear 1/16 (6.3) 1/1 (100) 2/17 (11.8)
Smear positive TB 9 (50) 10 (35.7) 8 (57.1) 23 (56.1) 50 (49.5)
MoH Notified 18 (100) 28 (100) 14 (100) 41 (100) 101 (100)
Referred to TB clinic 18 (100) 28 (100) 14 (100) 41 (100) 101 (100)
  1. aTB screening at home occurred in October – December 2011 for Lwak, and January – March 2012 for Kibera, and the column contains only individuals screened in-person
  2. bFacility-based TB screened occurred between May 2012 – April 2014 for Lwak, and April 2012 – March 2014 for Kibera. Individuals were referred from home or could self-refer to the health facilities
  3. cSocioeconomic status classes computed based on asset ownership were available for Lwak site only
  4. d,eData available from home only
  5. fData available for health facilities only. Denominators are the number of persons who had either a blood culture or a malaria test done among those who had a positive TB result