Prevalence and Residual Risk of HIV in Volunteer Blood Donors of Zhejiang Province, China, from 2018 to 2022
Table 2
Prevalence of HIV in the donors by gender, age, and number of donations.
Variable
Hangzhou
Wenzhou
Ningbo
Jinghua
N
Donors
Prevalence (95% CI)
N
Donors
Prevalence (95% CI)
N
Donors
Prevalence (95% CI)
N
Donors
Prevalence (95% CI)
Gender
Men
76
477773
15.91 (12.33–19.48)
52
290223
17.92 (13.05–22.78)
52
260808
19.94 (14.52–25.35)
25
165799
15.08 (9.17–20.99)
Women
7
334359
2.09 (0.54–3.64)
5
192988
2.59 (0.32–4.86)
3
180328
1.66 (−0.22–3.55)
1
124971
0.8 (−0.77–2.37)
Age
18–25
33
310785
10.62 (7.00–14.24)
19
123324
15.41 (8.48–22.33)
19
126746
14.99 (8.25–21.73)
11
87860
12.52 (5.12–19.92)
26–35
27
224408
12.03 (7.49–16.57)
22
156510
14.06 (8.18–19.93)
20
147069
13.6 (7.64–19.56)
4
67619
5.92 (0.12–11.71)
36–45
12
171051
7.02 (3.05–10.98)
9
136797
6.58 (2.28–10.88)
11
109326
10.06 (4.12–16.01)
6
73714
8.14 (1.63–14.65)
46–55
10
99554
10.04 (3.82–16.27)
7
65164
10.74 (2.78–18.70)
5
55642
8.99 (1.11–16.86)
4
56712
7.05 (0.14–13.96)
>55
1
6334
15.79 (−15.16–46.73)
0
1416
0
0
2353
0
1
4865
20.55 (−19.74–60.84)
Number of donations
1
54
400120
13.5 (9.9–17.09)
41
237273
17.28 (11.99–22.57)
36
206895
17.4 (11.72–23.08)
14
128234
10.92 (5.2–16.63)
≧2
29
412012
7.04 (4.48–9.60)
16
245938
6.51 (3.32–9.69)
19
234241
8.11 (4.46–11.76)
12
162536
7.38 (3.21–11.56)
Variable
Jinghua
Taizhou
Jiaxing
Lishui
N
Donors
Prevalence (95% CI)
N
Donors
Prevalence (95% CI)
N
Donors
Prevalence (95% CI)
N
Donors
Prevalence (95% CI)
Gender
Men
25
165799
15.08 (9.17–20.99)
16
137186
11.66 (5.95–17.38)
23
166158
13.84 (8.18–19.50)
14
99652
14.05 (6.69–21.41)
Women
1
124971
0.80 (−0.77–2.37)
7
100973
6.93 (1.8–12.07)
0
108825
0
1
66213
1.51 (−1.45–4.47)
Age
18–25
11
87860
12.52 (5.12–19.92)
3
44162
6.79 (−0.89–14.48)
4
75285
5.31 (0.11–10.52)
3
37002
8.11 (−1.07–17.28)
26–35
4
67619
5.92 (0.12–11.71)
8
62207
12.86 (3.95–21.77)
12
95861
12.52 (5.44–19.60)
6
39570
15.16 (3.03–27.29)
36–45
6
73714
8.14 (1.63–14.65)
7
72924
9.60 (2.49–16.71)
6
65536
9.16 (1.83–16.48)
3
47015
6.38 (−0.84–13.60)
46–55
4
56712
7.05 (0.14–13.96)
4
55482
7.21 (0.14–14.27)
1
36309
2.75 (−2.64–8.15)
3
40043
7.49 (−0.99–15.97)
>55
1
4865
20.55 (−19.74–60.84)
1
3384
29.55 (−28.38–87.46)
0
1992
0
0
2235
0
Number of donations
1
14
128234
10.92 (5.20–16.63)
16
96677
16.55 (8.44–24.66)
15
134167
11.18 (5.52–16.84)
7
58547
11.96 (3.10–20.81)
≧2
12
162536
7.38 (3.21–11.56)
7
141482
4.95 (1.28–8.61)
8
140816
5.68 (1.74–9.62)
8
107318
7.45 (2.29–12.62)
Variable
Shaoxing
Quzhou
Huzhou
Zhoushan
N
Donors
Prevalence (95% CI)
N
Donors
Prevalence (95% CI)
N
Donors
Prevalence (95% CI)
N
Donors
Prevalence (95% CI)
Gender
Men
23
136526
16.85 (9.96–23.73)
7
75453
9.28 (2.41–16.15)
10
95827
10.44 (3.97–16.9)
4
41364
9.67 (0.19–19.15)
Women
0
99929
0
2
53476
3.74 (−1.44–8.92)
0
67969
0
1
25758
3.88 (−3.73–11.49)
Age
18–25
8
76632
10.44 (3.21–17.67)
3
31547
9.51 (−1.25–20.27)
5
47380
10.55 (1.30–19.80)
2
24518
8.16 (−3.15–19.46)
26–35
5
60338
8.29 (1.02–15.55)
0
31190
0
4
51578
7.76 (0.16–15.35)
0
19161
0
36–45
4
57716
6.93 (0.14–13.72)
3
34578
8.68 (−1.14–18.49)
1
39837
2.51 (−2.41–7.43)
2
14592
13.71 (−5.29–32.70)
46–55
6
39124
15.34 (3.07–27.60)
3
29234
10.26 (−1.35–21.87)
0
23642
0
1
8296
12.05 (−11.57–35.68)
>55
0
2645
0
0
2380
0
0
1359
0
0
555
0
Number of donations
1
12
97941
12.25 (5.32–19.18)
4
49029
8.16 (0.16–16.15)
7
71359
9.81 (2.54–17.08)
1
30684
3.26 (−3.13–9.65)
≧2
11
138514
7.94 (3.25–12.63)
5
79900
6.26 (0.77–11.74)
3
92437
3.25 (−0.43–6.92)
4
36438
10.98 (0.22–21.73)
Variable
Yiwu
Total
N
Donors
Prevalence (95% CI)
N
Donors
Prevalence (95% CI)
Gender
Men
6
41775
14.36 (2.87–25.85)
308
1988544
15.49 (13.76–17.22)
Women
0
31345
0
27
1387134
1.95 (1.21–2.68)
Age
18–25
2
18820
10.63 (−4.10–25.35)
112
1004061
11.15 (9.09–13.22)
26–35
2
21195
9.44 (−3.64–22.51)
110
976706
11.26 (9.16–13.37)
36–45
1
19557
5.11 (−4.91–15.14)
65
842643
7.71 (5.84–9.59)
46–55
1
12663
7.90 (−7.58–23.38)
45
521865
8.62 (6.10–11.14)
>55
0
885
0
3
30403
9.87 (−1.30–21.03)
Number of donations
1
4
34734
11.52 (0.23–22.80)
211
1545660
13.65 (11.81–15.49)
≧2
2
38386
5.21 (−2.01–12.43)
124
1830018
6.78 (5.58–7.97)
Number of HIV-positive donors; Huzhou: blood station of Huzhou; Quzhou: blood station of Quzhou; Zhoushan: blood station of Zhoushan; Yiwu: blood station of Yiwu; Jiaxing: blood station of Jiaxing; Jinhua: blood station of Jinhua; Lishui: blood station of Lishui; Taizhou: blood station of Taizhou; Shaoxing: blood station of Shaoxing; Hangzhou: the blood center of Zhejiang Province; Wenzhou: blood station of Wenzhou; Ningbo: blood station of Ningbo. Prevalence: number per 100,000 donors.