The cross-sectional relative sensitivity for CIN2 + vs blind cytology obtained by referring to colposcopy and following up only HPV positive women who had HPV status-informed cytology greater than or equal to ASCUS was 1.58 ( 95 % CI = 1.22 to 2.01 ) , while the corresponding relative referral to colposcopy was 0.95 ( 95 % CI = 0.86 to 1.04 ) .