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Table 3 HTLV-1 seropositivity rates based on demographic characteristics and history of donation among Iranian blood donors during a 5-year period

From: Seroprevalence and geographical distribution of human T-lymphotropic virus type 1 among volunteer blood donors in endemic areas of Iran

Year HTLV-1 positive
(n = 1840) No (%)
Characteristics
Mean age Gender Marital status Donation type
Male
(n = 1540) No (%)
Female
(n = 300) No (%)
Married
(n = 1603) No (%)
Single
(n = 237) No (%)
First time
(n = 1634) No (%)
Elapsed
(n = 121) No (%)
Regular
(n = 85) No (%)
2009
2010
2011
2012
2013
475 (0.13%)
419 (011%)
388 (0.1%)
272 (0.069%)
286 (0.07%)
40.20 ± 10.820
39.88 ± 11.133
39.14 ± 10.637
39.28 ± 10.813
38.27 ± 10.184
401 (0.14%)
354 (0.109%)
321 (0.09%)
226 (0.06%)
238 (0.063%)
74 (0.107%)
65 (0.20%)
67 (0.3%)
46 (0.2%)
48 (0.24%)
422 (0.16%)
364 (0.13%)
340 (0.11%)
228 (0.07%)
249 (0.08%)
53 (0.06%)
55 (0.06%)
48 (0.05%)
44 (0.05%)
37 (0.04%)
373 (0.3%)
373 (0.3%)
359 (0.3%)
256 (0.28%)
273 (0.27%)
39 (0.05%)
32 (0.04%)
21 (0.02%)
16 (0.01%)
13 (0.01%)
63 (0.04%)
14 (0.008%)
8 (0.004%)
0
0
p-value* <0.0001 <0.0001 <0.0001
  1. *Chi square test