A RANDOMIZED CLINICAL TRIAL OF CRYOTHERAPY, LASER VAPORIZATION, AND LOOP ELECTROSURGICAL EXCISION FOR TREATMENT OF SQUAMOUS INTRAEPITHELIAL LESIONS OF THE CERVIX

: Women at least 18 years old with biopsy-provenSIL, negative pregnancy tests, negative findings on endocer-vical curettage, satisfactory colposcopy examinations, andcongruent Papanicolaou smear and biopsy results wereassigned randomly to treatment after stratification by SILgrade, endocervical gland involvement, and lesion size; theywere evaluated 1, 4, 8, 12, 16, 20, and 24 months aftertreatment. Data were analyzed using