title: Duration of ventilating tubes: a test for comparing two clustered samples of censored data.
abstract: A study of otitis media that requires a test for the comparison of two clustered samples of censored data is described. A method is proposed taking into account the within-subject correlation in the formation of the log-rank statistic.
authors.affiliation: Division of Biostatistics, University of Minnesota, Minneapolis 55455, USA.
authors.forename: C T
authors.initials: CT
authors.lastname: Le
authors.forename: B R
authors.initials: BR
authors.lastname: Lindgren
mesh_terms: D001699:Biometry / Q000379:methods*; D002648:Child; D002675:Child, Preschool; D016000:Cluster Analysis; D003131:Combined Modality Therapy; D003627:Data Interpretation, Statistical; D006801:Humans; D007223:Infant; D008876:Middle Ear Ventilation / Q000706:statistics & numerical data*; D010034:Otitis Media with Effusion / Q000188:drug therapy / Q000601:surgery*; D011241:Prednisone / Q000627:therapeutic use; D013997:Time Factors; D015662:Trimethoprim, Sulfamethoxazole Drug Combination / Q000627:therapeutic use
chemical_list: D015662:Trimethoprim, Sulfamethoxazole Drug Combination; D011241:Prednisone