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Table 2 Number of events of reaching normal range of CD4 count and incidence densities by patient characteristics among adult HIV patients who initiated ART in Felege Hiwot Referral Hospital, 2010–2014

From: Time to immunologic recovery and determinant factors among adults who initiated ART in Felege Hiwot Referral Hospital, northwest Ethiopia

Characteristics

Person-months

Number of events

Incidence density per 1000 person-months (95% CI)

Baseline age in year (n = 937)

 18–25

3888

67

17.2 (13.6, 21.9)

 26–30

6174

76

12.3 (9.8, 15.4)

 31–40

8610

111

12.9 (10.7, 15.5)

 41–50

3042

29

9.5 (6.6, 13.7)

 51–71

1470

6

4.2 (1.8, 9.1)

Sex (n = 937)

 Female

12,630

195

15.5 (13.5, 17.8)

 Male

10,554

94

8.9 (7.3, 10.9)

Residence

 Bahir Dar and neighboring towns

15,552

234

15.1 (13.2, 17.1)

 Others

7632

55

7.2 (5.5, 9.4)

Baseline functional status (n = 937)

 Working

17,466

220

12.6 (11.0, 14.4)

 Ambulatory

4830

61

12.6 (9.8, 16.2)

 Bedridden

888

8

9.0 (4.5, 18.0)

Baseline WHO clinical stage (937)

 Stage I

1200

13

10.8 (6.3, 18.7)

 Stage II

3768

35

9.3 (6.7, 12.9)

 Stage III

1598

211

13.2 (11.5, 15.1)

 Stage IV

2232

30

13.4 (9.4, 19.2)

First treatment class (n = 1196)

 AZT-3TC

14,514

166

11.4 (9.8, 13.3)

 D4t-3TC

804

11

13.7 (7.6, 24.7)

 D4t (30)

7866

112

14.2 (11.8,17.1)

Baseline CD4 count in cells/mm3 (n = 1196)

 <200

19,848

192

9.7 (8.4, 11.1)

 200–349

3246

93

28.7 (23.3, 35.1)

 350–499

23,184

4

44.4 (16.7, 118.5)