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Table 2 Follow up information of HIV cohort in Dilla University Referral Hospital from January 2007 to August 2013

From: Effect of isoniazid preventive therapy on tuberculosis or death in persons with HIV: a retrospective cohort study

Follow up time

Total participants on follow up n (PYs)

IPT started

ART started

TB Diagnosed n (Per 100 PYs)

Death Reported n (per 100 PYs)

Composite outcome n (per 100 PYs)

Lost to follow up n (per 100 PYs)

Censored alive

Baseline (t = 0)

1922 (0)

12

289

0 (0)

0 (0)

0 (0)

0 (0)

0

6th month

1519 (865.2)

43

1293

57 (6.59)

82 (9.48)

139 (16.07)

175 (20.22)

89

12th month

1300 (703.1)

50

109

16 (2.28)

21 (2.99)

37 (5.26)

143 (20.34)

39

24th month

1028 (1165.7)

94

104

19 (1.63)

15 (1.29)

34 (2.92)

130 (11.15)

108

36th month

780 (893.7)

81

60

8 (0.90)

13 (1.46)

21 (2.35)

66 (7.39)

161

48th month and beyond

626 (1863.4)

94

64

10 (0.54)

17 (0.91)

27 (1.45)

64 (3.44)

63

Total

(5491.2)

374

1919

110 (2.00)

148 (2.70)

258 (4.70)

578 (10.53)

460

  1. ART Antiretroviral therapy, IPT Isoniazid Preventive Therapy, n Number of people, PYs Person years, and TB Tuberculosis