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Table 2 Description of drug-susceptible and drug-resistant TB cases among HCWs in KwaZulu-Natal, South Africa (January 2006 - December 2010) (n = 84)

From: Tuberculosis among health care workers in KwaZulu-Natal, South Africa: a retrospective cohort analysis

Variable Total HCWs with drug-susceptible TB HCWs with drug-resistant TB* p-value
(n = 84) n = 70 n = 14
  n (%) n (%) n (%)  
Mean age in years (SD) (n = 75) 40.5 (9.0) 41.0 (9.4) 38.6 (7.1) 0.37
Range 25-62 Range 26-52
Sex     0.52
Female 64 (76) 53 (76) 11 (79)  
TB cases by occupation** (n = 83)     
Clinical 43 (52) 34 (49) 9 (64) 0.72
Support staff 24 (29) 21 (30) 3 (21)  
Paramedical 10 (12) 8 (12) 2 (14)  
Administrative 6 (7) 6 (9) 0  
Work exposure/place of employment***     
Outpatient department/casualty/PHC 23 (27) 19 (27) 4 (29) 1.00
General ward 24 (29) 21 (30) 3 (21) 0.75
Non-clinical area 13 (15) 12 (17) 1 (7) 0.69
Pediatric ward 16 (19) 14 (20) 2 (14) 1.00
TB ward/MDR-TB ward 12 (14) 12 (17) 0 0.20
Maternity ward 7 (8) 3 (4) 4 (29) 0.01
Throughout the hospital 8 (10) 7 (10) 1 (7) 1.00
Operating theater 5 (6) 4 (6) 1 (7) 1.00
HIV status     
HIV-negative 13 (15) 10 (14) 3 (21) 0.26
HIV-positive 20 (24) 19 (27) 1 (7)  
HIV status not recorded 51 (61) 41 (59) 10 (71)  
Previous history of TB     
No 44 (52) 37 (53) 7 (50) 1.00
Yes 12 (14) 10 (14) 2 (14)  
Not recorded in chart 28 (33) 23 (33) 5 (36)  
  1. *13 MDR-TB cases and 1 XDR-TB case.
  2. **Administrative staff includes finance, human resources, management, data capturers, office clerks and ward clerks; paramedical staff includes lay counselors, radiographers, pharmacists, lab technicians, paramedics, mortuary attendants, dieticians, social workers, physiotherapists, occupational therapists, and speech therapists; support staff includes orderlies, cleaners, groundsman, maintenance, kitchen staff, laundry, and security; and clinical staff includes medical doctors/medical officers, nursing staff, and dentists.
  3. ***Not mutually exclusive – health care workers worked in more than one ward.
  4. Non-clinical area includes laboratory, kitchen, laundry, administrative offices, stores/workshop, mortuary, outside, pharmacy, driving, and therapy.