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Table 1 Patients’ characteristics and outcomes

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

Characteristic

All patients N = 2564

IPT group N = 1283

Control group N = 1281

P value

Sex: Females [Number (%)]

1949 (76.0)

994(77.4)

955(74.6)

0.083

Mean age in years (±SD)

38.6(10.3)

39.4(±10.5)

37.8(±10.1)

<0.001

Median BMI (IQR)

22.8(7)

23.1(6)

22.7(6)

<0.001

Patients on ARV drugs [Number (%)]

1913(75)

982(76.5)

931(72.7)

0.025

Median ARV duration in months(IQR) aN=1893

28.0(37)

31.0(38)

23(36)

<0.001

Mean baseline CD4+ cells/μl (± SD), bN=2357

375 (±247)

415(±261)

330(±223)

<0.001

Patients completing 6 months of IPT [N (%)]

1263(98)

1263(98)

-

NA

Patients developed TB during follow up [N (%)]

13 (1.1)

2 (0.2)

11 (0.9)

0.012

Number of deaths during follow up [N (%)]

27 (0.5)

3(0.2)

24(1.9)

<0.001

Patients lost to follow up [N (%)]

146(5.7)

73(5.7)

73(5.7)

0.992

Patients transferred out [N (%)]

110(4.3)

31(2.4)

79(6.2)

<0.001

Patients who withdrew consent [N (%)]

13(0.5)

10(0.8)

3(0.2)

0.052

Patients who completed study

2268(88.5)

1166 (90.9)

1102 (86.0)

<0.001

  1. NA Not applicable
  2. aOnly 1893 were on ARV treatment
  3. bOnly 2357 patients had known baseline CD4 counts. Baseline here refers to the CD4 value at the time of study recruitment