Negative histology in cervical specimens obtained with the

Table 1 Distribution of histopathologic diagnoses in a sample of women submitted to S&T from 1996 to 2017, Rio de Janeiro, Brazil

Histopathologic diagnosis	N	%	95%CI^e¶
AIS*	2	0.32	0–0.77
CIN^† 2	164	26.62	23.13–30.11
CIN 3	389	63.15	59.34–66.96
CIN 3 + AIS	5	0.81	0.10–1.52
Ca IA1^‡	2	0.32	0–0.77
Subtotal with preinvasive or microinvasive (positive)	562	91.23	89.0–93.47
CIN I/HPV^§ without CIN	45	7.31	5.25–9.36
Negative	7	1.14	0.30–1.97
Subtotal without preinvasive or microinvasive (negative)	52	8.44	6.25–10.64
Inconclusive/altered^\|\|	2.0	0.32	0–0.77
	616	100

*Adenocarcinoma in situ
^†aCervical intraepithelial neoplasia
^‡Microinvasive carcinoma (FIGO IA1)
^§Cytopathic alterations related to human papillomavirus without intraepithelial neoplasia
^||Inconclusive histopathologic diagnosis or compromised by thermal artifacts
^¶95% confidence interval

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