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ORIGINAL ARTICLE
Year : 2016  |  Volume : 12  |  Issue : 1  |  Page : 283-289

Diagnostic value of combination of HPV testing and cytology as compared to isolated cytology in screening cervical cancer: A meta-analysis


Department of Gynecology and Obstetrics, Central Hospital Affiliated to Shenyang Medical College, Shenyang, China

Correspondence Address:
Tong Li
Gynecology Ward, Central Hospital Affiliated to Shenyang Medical College, No. 5, South Seventh West Road, Tiexi, Shenyang - 110 024
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1482.154032

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Objectives: The objective of this study was to assess the diagnostic value of combination of human papillomavirus (HPV) testing and cytology as compared to isolated cytology in screening cervical cancer. Materials and Methods: We searched public databases including PubMed and Embase before September 30, 2014. Sensitivity, specificity, positive likelihood ratio (LR), negative LR, and diagnostic odds ratio (DOR) of the two methods from included studies were meta-analyzed. The summary receiver operating characteristic (SROC) curve was constructed, and the area under curve (AUC) and an index Q* were summarized. Besides, a two-sample Z-test was conducted to evaluate the differences of the two diagnostic modalities. Results: Totally eight studies were involved. The included studies showed significant heterogeneity in estimating sensitivity, specificity, positive LR, negative LR, and DOR in both methods. The results of the above indexes in combination method were 0.937 (95% confidence interval (CI): 0.925–0.948), 0.858 (95% CI: 0.855–0.860), 3.924 (95% CI: 2.037–7.559), 0.083 (95% CI: 0.033–0.210), and 51.563 (95% CI: 14.682–181.09), respectively. The AUC and Q* index were 0.8841 and 0.8763, respectively. The results for isolated method were 0.743 (95% CI: 0.716–0.768), 0.951 (95% CI: 0.949–0.953), 6.408 (95% CI: 2.322–17.683), 0.226 (95% CI: 0.112–0.460), and 30.897 (95% CI: 7.170–133.15), respectively. The AUC and Q* index were 0.8550 and 0.7859, respectively. Combination method was superior to isolated method (Z = 13.375, P < 0.01) in sensitivity, while was inferior to isolated method (Z = 56.935, P < 0.01) in specificity. Conclusion: Combination of HPV testing and cytology may be appropriate for screening cervical cancer if conditions allow.


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