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(b) HPV prevalence in spontaneous preterm delivery
| HPV positive cases/all cases (%) | Geographical origin | HPV detection method | References | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Cervix | Placenta | ||||||||
| n | HPV positive cases | % | n | HPV positive cases | % | ||||
| Spontaneous preterm delivery | 45 | 7 | 15.6 | Asia | Hybrid capture assay | Cho et al. 2013 [35] | |||
| 30 | 15 | 50.0 | USA | PCR | Gomez et al. 2008 [20] | ||||
| 70 | 47 | 67.1 | USA | Hybrid capture assay | Zuo et al. 2011 [21] | ||||
|
| |||||||||
| Total | 115 | 54 | 47.0 | 30 | 15 | 50.0 | |||
