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Table 2 Comparison of STI testing of HIV positive MSM attending two general practices during three one-year periods

From: Introduction of a sexual health practice nurse is associated with increased STI testing of men who have sex with men in primary care

Clinic A: Nurse introduced in Period 3

n

nt(%)

95% CI

% Difference Period 1 to Period 2

% Difference Period 2 to Period 3

Syphilis EIA #

     

Period 1

346

296 (86)

82-89

  

Period 2

374

303 (81)

77-85

−4 (p = 0.09)

 

Period 3

418

321 (77)

73-81

 

−4 (p = 0.20)

Urine Test

     

Period 1

346

135 (39)

34-44

  

Period 2

374

169 (45)

40-50

6 (p = 0.12)

 

Period 3

418

222 (53)

46-60

 

8 (p = 0.029)

Anal Swab

     

Period 1

346

120 (35)

30-40

  

Period 2

374

146 (39)

34-44

4 (p = 0.30)

 

Period 3

418

208 (50)

45-55

 

11 (p < 0.01)

Urine and Anal Tests

     

Period 1

346

109 (32)

27-37

  

Period 2

374

138 (37)

32-42

5 (p = 0.18)

 

Period 3

418

201 (48)

43-53

 

11 (p < 0.01)

Complete Tests*

     

Period 1

346

89 (26)

22-31

  

Period 2

374

100 (27)

23-32

1 (p = 0.83)

 

Period 3

418

180 (43)

38-48

 

16 (p < 0.001)

Clinic B: No Nurse

n

n t (%)

95% CI

% Difference Period 1 to Period 2

% Difference Period 2 to Period 3

Syphilis EIA #

     

Period 1

773

652 (84)

81-86

  

Period 2

830

723 (87)

84-89

3 (p = 0.13)

 

Period 3

858

711 (83)

80-85

 

−4 (p = 0.02)

Urine Test

     

Period 1

773

140 (18)

15-21

  

Period 2

830

182 (22)

19-25

4 (p = 0.17)

 

Period 3

858

185 (22)

19-25

 

0 (p = 0.31)

Anal Swab

     

Period 1

773

106 (16)

13-19

  

Period 2

830

133 (18)

15-21

2 (p = 0.07)

 

Period 3

858

137 (19)

16-22

 

1 (p = 0.90)

Urine and Anal Tests

     

Period 1

773

79 (10)

8-12

  

Period 2

830

120 (14)

12-17

4 (p = 0.013)

 

Period 3

858

126 (15)

13-18

 

1 (p = 0.95)

Complete Tests

     

Period 1

773

46 (6)

4-8

  

Period 2

830

65 (8)

6-10

2 (p = 0.17)

 

Period 3

858

80 (9)

7-11

 

1 (p = 0.31)

  1. n = number of MSM.
  2. nt = number of tests.
  3. #EIA = Enzyme-linked Immunoassay.
  4. *Complete Tests = HIV antibodies; syphilis EIA; urine test for chlamydia and an anal swab for chlamydia and gonorrhoea collected on the same date.