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Table 1 Demographic characteristics of the study population

From: Serological diagnosis and prevalence of HIV-1 infection in Russian metropolitan areas

Patient group

N

Males (%)

Females (%)

Age mean + s.d. (median)

Age range

General population

4452

1693 (38.0)

2759 (62.0)

38 + 10.5 (36)

18–65

Pregnant women

160

0 (−)

160 (100)

30 + 4.5 (30)

20–42

Hemodialyzed

207

116 (50.0)

116 (50.0)

53 + 10.8 (55.5)

20–65

Autoimmune diseases

232

52 (22.4)

157 (77.6)

46 + 13.9 (49)

18–65

Drug users

262

229 (87.4)

33 (12.6)

36 + 8.0 (35.5)

18–57

STD patients

129

59 (45.7)

70 (54.3)

35 + 9.0 (32)

18–63

  1. s.d. standard deviation, STD sexually transmitted diseases