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Table 1 Comparison of sexually transmitted infections prevalence between female sex workers and general female population in China

From: Sustained high prevalence of viral hepatitis and sexually transmissible infections among female sex workers in China: a systematic review and meta-analysis

Type of infection No. of studies (No. of data points) Total No of infection/Sample size Pooled prevalence among FSW (95 % CI) Background prevalence among general population (95 % CI) Odds ratio (95 % CI)
HBV 18 (24) 848/7,614 10.71 (7.30–15.48) 6.40 (4.45–9.08)* [26] 1.75 (1.60–1.92)
HCV 97 (149) 1,366/114,722 0.96 (0.73–1.25) 0.12 (0.05–0.27)* [20] 7.99 (3.58–17.83)
Syphilis 215 (377) 13,507/245,455 5.24 (4.83–5.69) 0.37 (0.20–0.65)* [21] 14.89 (10.86–20.40)
HSV-2 38 (57) 9,529/30,345 15.77 (11.74–20.85) 5.80 (3.82–7.78)* [22] 3.05 (2.12–4.39)
Trichomonas vaginitis 43 (65) 2,271/24,381 2.12 (1.46–24.21) 2.52 (1.92–3.31)** [22] 0.83 (0.51–1.35)
Chlamydia 96 (125) 7,983/56,548 13.66 (12.11–15.37) 2.60 (1.60–4.10)** [23] 5.95 (4.42–8.01)
 Cervix 41 (78) 5,503/33,231 13.56 (11.65–15.73) -- --
 Vaginal 3 (4) 402/872 36.80 (19.56–58.23) -- --
 PCR 48 (74) 5,839/31,695 15.48(13.70–17.45) -- --
 Rapid test 16 (19) 2,144/24,853 10.28(8.20–12.83) -- --
Gonorrhea 116 (149) 3,723/62,430 6.07 (5.29–6.95) 0.16 (0.06–0.39)** [23] 40.32 (12.99–125.18)
 Cervix 51 (74) 2,523/33,493 6.88 (5.68–8.31) -- --
 Vaginal 7 (9) 311/1,806 12.69 (7.52–20.60) -- --
 PCR 28 (55) 2,015/23,179 8.33(6.83–10.13) -- --
 Culture 52 (64) 1,417/28,143 5.62(4.51–6.97) -- --
Wart 68 (76) 1,111/39,862 3.27 (2.53–4.21) 0.06 (0.01–0.07)** [20] 52.96 (26.42–106.15)
HPV (any) 4 (4) 531/1,631 27.04 (10.07–55.09) 16.80 (16.50–17.10)** [24] 1.84 (1.64–2.06)
Gene type 16 3 (3) 142/1,143 14.08 (4.13–38.40) 3.62 (0.82–14.62)* [61, 62] 4.39 (3.20–6.03)
 Gene type 52 3 (3) 150/1,143 12.53 (6.36–23.30) 2.62 (1.75–3.48)* [61, 62] 5.32 (3.72–7.63)
 Gene type 58 2 (2) 115/1,098 12.12 (2.65–41.11) 1.59 (1.07–2.36)* [61, 62] 8.60 (5.53–13.38)
 Gene type 33 3 (3) 75/1,143 8.25 (2.61–23.19) 1.04 (0.63–1.72)* [61, 62] 8.48 (4.96–14.48)
 Gene type 31 2 (2) 59/1,098 5.05 (3.84–42.25) 2.09 (1.44–3.02)* [61, 62] 2.46 (1.58–3.82)
 Multiple type 2 (2) 216/1,098 23.57 (6.08–59.47) -- --
 Single type 2 (2) 328/1,098 29.9(27.3–32.7) -- --
  1. * refers to p < 0.05
  2. ** refers to p < 0.01