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Table 4 Cost figures used in the cost analysis of Isoniazid Preventive Therapy for HIV-infected patients in Dar es Salaam for 24 months of follow upa

From: Cost-Effectiveness of isoniazid preventive therapy among HIV-infected patients clinicaly screened for latent tuberculosis infection in Dar es Salaam, Tanzania: A prospective Cohort study

Description Cost parameter Cost in IPT group (US $) Cost in the Control group (US $)
1st year 2nd year (3% discount) Total cost for 2 years 1st year 2nd year (3% discount) Total cost for 2 years
Clinic personnel
 Doctors 225,317 218,754 444,071 216,074 213,057 429,131
 Nurses 197,738 191,978 389,716 175,074 169,974 345,048
 Medical assistants 44,890 43,583 88,473 40,810 39,621 80,431
 Laboratory staff 82,808 80,396 163,204 81,988 79,600 161,588
 Pharmacy staff 82,808 80,396 163,204 81,988 79,600 161,588
Laboratory tests
 Sputum smear 27 17 44 21 19 40
 Sputum culture 134 86 220 106 96 202
 Chest X-ray 179 115 294 141 128 269
 Full blood count 54 35 89 42 38 81
 ESR 18 12 30 14 13 27
Medication costs
 INH (300 mg/day)b 94,807 - 94, 807 - - -
 1st line anti-TB drugsc 265 - 265 927 514 1441
Utilities
 Water 3885 3773 7658 3533 3430 6963
 Electricity 15,207 14,764 29,971 13,825 13,422 27,247
Recurrent costs       0
 Clinic space 60,826 59,054 119,880 55,296 53,685 108,981
 Personnel training 3819 - 3819 4177 - 4177
Total cost 767,892 649,382 1,417,273 633,205 613,578 1,246,783
Incremental costd    US$ 170,490
ICER per TB case preventede US$ 405.93 per TB case prevented
ICER per death avertedf US$ 174.15 per death averted
  1. IPT Isoniazid preventive therapy, HIV-Human immunodeficiency virus, INH- Isoniazid, TB-Tuberculosis
  2. IT Information technology, ESR -Erythrocyte sedimentation rate
  3. aAnnualized total costs for the two groups bINH for IPT group only
  4. c1st line anti-TB drugs were given to patients who developed active tuberculosis
  5. dDiscounted cost for 2 years in the IPT group minus discounted cost for 2 years in the Control group
  6. eIncremental cost for the entire cohort divided by number of TB cases prevented
  7. fIncremental cost for the entire cohort divided by number of deaths averted