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. 2024 Aug 19;19(8):e0307101. doi: 10.1371/journal.pone.0307101

Table 4. Seroreactivity of Syphilis and HCV according to socio-demographic data.


Variables

Number*
Syphilis HCV
Positive (%) *
OR 95% CI P-value Number* Positive (%) * OR 95% CI P-value
Sex Male 27,959 909 (3,3) 1.10
0.89–1.3
0.497
27,959
593 (2.1) 1.13 0.91–1.38 0.269
Female1 5,571 171 (3,1) - 0.027–0.036 5,571 105 (1.9) - 0.016–0.023
Age 18–241 11,689 198 (1,7) -
0.015–0.019
-
11,689 229 (1.95) - 0.017–0.022 -
25–34
35–44
14,679 355 (2,4) 1.43 1.2–1.7 0.0001
14,679 289 (1.96) 1.01 0.8–1.2 0.99
5,753 343 (5,96) 3.52 2.9–4.2 0.0001
5,753 141 (2.5) 1.25 1.0–1.5 0.038
≥45 1,409 184 (13,1) 7.71
6.3–9.5 0.0001 1,409 39 (2.8) 1.41 1.0–2.0 0.047
Type of blood donor
Volunteer1
Family

8,737

266 (3,0)

-

0.03–0.034

0.292

8,737

76 (0.9)

-

0.01–0.011

0.0001

24,793

814 (3,3)

1.07

0.9–1.2

24,793

622 (2.5)

2.88

2.3–3.7

1Group of reference; OR : Odds Ratio ; 95% CI : 95% Confidence Interval.

*Studies that provided data on HCV and syphilis seroreactivity according to sociodemographic data have been included in this table.