Table 2

Clinical characteristics of HIV cases and matched controls (THIN model)

CasesControls
n%n%
Total n9392576
Males64568.7177168.8
Mean age (standard deviation)41(11.4)42(11.0)
BHIVA conditionsa
  Bacterial pneumonia
  Aseptic meningitis/encephalitis
  Peripheral neuropathy

17
2
2

1.8
0.2
0.2

1
0
1

0.0
0.0
0.0
Seborrhoeic dermatitis
  1 consultation only
  2 consultations only
  3+ consultations

8
0
0

0.9
0.0
0.0

6
0
0

0.2
0.0
0.0
Psoriasis
  1 consultation only
  2 consultations only
  3+ consultations
  Herpes zoster
  Oral candidiasis
  Oral hairy leukoplakia

8
7
2
32
35
3

0.9
0.8
0.2
3.4
3.7
0.3

9
4
1
4
2
0

0.4
0.2
0.0
0.2
0.1
0.0
Diarrhoea
  1 consultation only
  2 consultations only
  3+ consultations

50
11
6

5.3
1.2
0.6

38
6
0

1.5
0.2
0.0
Weight loss272.960.2
Salmonella, shigella or campylobacter30.340.2
Hepatitis B infection40.400.0
Hepatitis C infection20.200.0
Anal cancer/anal intraepithelial dysplasia10.100.0
Seminoma00.010.0
Non-Hodgkin’s lymphoma40.410.0
Blood dyscrasia91.030.1
Retinopathy in non-diabetic patient10.100.0
Lymphadenopathy283.070.3
Parotitis20.210.0
Pyrexia of unknown origin171.870.3
Any sexually transmitted infection151.630.1
Number of indicator conditions per patient
  None of the indicator conditions
  One of the indicator conditions only
  Two or more indicator conditions

697
195
47

74.2
20.8
5.0

2477
93
6

96.2
3.6
0.2
  • a There were no cases of aspergillosis, cerebral abscess, space-occupying lesion, Guillain–Barré syndrome, transverse myelitis, dementia, leukoencephalopathy, lung/head and neck cancer, Castleman’s disease, vaginal intraepithelial neoplasia, cervical intraepithelial neoplasia ≥grade 2, Infective retinal diseases, lymphoepithelial parotid cysts, or mononucleosis-like syndrome, in either case or control groups. BHIVA = British HIV Association.