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Table 2 Attrition (/1000patient-months of follow-up) by enrolment characteristics

From: Trends in clinical characteristics and outcomes of Pre-ART care at a large HIV clinic in Nairobi, Kenya: a retrospective cohort study

Enrolment characteristic

Numb dead or LTFu

Total months in care

Attrition (/1000 patient−mths of follow-up) (95% CI)

Overall

685

88,126

7.8 (7.2–8.4)

Gender

Female

363

58,886

6.2 (5.5–6.8)

Male

322

29,240

11.0 (9.8–12.2)

Age group

15–19

12

918

13.1 (5.7–20.4)

20–24

86

5191

16.6 (13.1–20.0)

25–34

295

36,680

8.0 (7.1–9.0)

35–44

209

29,531

7.1 (6.1–8.0)

45–54

68

12,454

5.5 (4.2–6.8)

55Plus

15

3352

4.5 (2.2–6.7)

Marital status

Single

230

18,942

12.1 (10.6–13.7)

Married

335

52,154

6.4 (5.7–7.1)

Divorced

43

5393

8.0 (5.6–10.3)

Widowed

39

7934

4.9 (3.4–6.5)

Not documented

38

3703

10.3 (7.0–13.5)

Residency

Rural

65

14,908

4.4 (3.3–5.4)

Urban

553

66,661

8.3 (7.6–9.0)

Not documented

67

6557

10.2 (7.8–12.7)

Point of entry into care

VCT

327

38,075

8.6 (7.7–9.5)

PMTCT

66

17,440

3.8 (2.9–4.7)

TB Clinic

37

9731

3.8 (2.6–5.0)

Inpatient

46

6150

7.5 (5.3–9.6)

Outpatient

12

1061

11.3 (4.9–17.7)

Other facility

11

1049

10.5 (4.3–16.7)

Other source

63

4280

14.7 (11.1–18.3)

Not documented

123

10,340

11.9 (9.8–14.0)

YoEnr vs YoDg

YoEnr ≠ YoDg

59

10,027

5.9 (4.4–7.4)

YoEnr = YoDg

257

45,336

5.7 (5.0–6.4)

YoDg not documented

369

32,763

11.3 (10.1–12.4)

Disease stage (WHO)

  

Stage 1–2

354

62,334

5.7 (5.1–6.3)

Stage 3–4

119

24,099

4.9 (4.1–5.8)

Not documented

212

1693

125.2 (109.5–141.0)

CD4 count

0–100

37

6218

6.0 (4.0–7.9)

101–200

28

5561

5.0 (3.2–6.9)

201–250

8

2917

2.7 (0.8–4.6)

251–350

31

9506

3.3 (2.1–4.4)

351–500

85

19,328

4.4 (3.5–5.3)

> 500

216

34,222

6.3 (5.5–7.2)

Not documented

280

10,374

27.0 (23.9–30.1)

TB

No

654

80,707

8.1 (7.5–8.7)

Yes

31

7419

4.2 (2.7–5.6)

PCP

No

662

83,205

8.0 (7.4–8.6)

Yes

23

4921

4.7 (2.8–6.6)

Oral candidiasis

No

673

84,681

7.9 (7.3–8.5)

Yes

12

3445

3.5 (1.5–5.5)

Other OI

No

504

51,738

9.7 (8.9–10.6)

Yes

181

36,388

5.0 (4.3–5.7)

Any OI

No

472

44,453

10.6 (9.7–11.6)

Yes

213

43,673

4.9 (4.2–5.5)

Cryptococcal disease

No

683

87,641

7.8 (7.2–8.4)

Yes

2

485

4.1 (0–9.8)

Oesophageal candidiasis

No

679

87,725

7.7 (7.2–8.3)

Yes

6

401

15.0 (3.1–26.8)

Kaposi’s sarcoma

No

681

87,567

7.8 (7.2–8.4)

Yes

4

559

7.2 (0.2–14.1)

Lymphoma

No

684

88,084

7.8 (7.2–8.3)

Yes

1

42

23.8 (0–69.9)

  1. VCT voluntary counselling and testing; PMTCT prevention of mother to child transmission; TB tuberculosis; PCP pneumocystis carinii pneumonia; OI opportunistic infection