------------------------------------------------------------------------------------------ name: log: \\Cronus\www\teaching\basicbiostat\files\spring2010_codebook.txt log type: text opened on: 22 Feb 2011, 09:09:26 (Data from Houwelingen et al, Stat Med (2006)) file spring2010.dta saved ------------------------------------------------------------------------------------------ eventdea Event type observed ------------------------------------------------------------------------------------------ type: numeric (byte) label: evlab range: [1,2] units: 1 unique values: 2 missing .: 0/295 tabulation: Freq. Numeric Label 216 1 censor 79 2 death ------------------------------------------------------------------------------------------ survival Survival time (years) ------------------------------------------------------------------------------------------ type: numeric (double) range: [.05475702,18.340862] units: 1.000e-09 unique values: 284 missing .: 0/295 mean: 7.86383 std. dev: 3.92891 percentiles: 10% 25% 50% 75% 90% 2.7096 5.29227 7.22519 10.3272 13.3498 ------------------------------------------------------------------------------------------ diameter Diameter of tumor (mm) ------------------------------------------------------------------------------------------ type: numeric (byte) range: [2,50] units: 1 unique values: 34 missing .: 0/295 mean: 22.539 std. dev: 8.8597 percentiles: 10% 25% 50% 75% 90% 13 15 20 29 35 ------------------------------------------------------------------------------------------ posnodes Number of positive nodes ------------------------------------------------------------------------------------------ type: numeric (byte) range: [0,13] units: 1 unique values: 12 missing .: 0/295 mean: 1.37627 std. dev: 2.19247 percentiles: 10% 25% 50% 75% 90% 0 0 0 2 4 ------------------------------------------------------------------------------------------ age Age at surgery ------------------------------------------------------------------------------------------ type: numeric (byte) range: [26,53] units: 1 unique values: 27 missing .: 0/295 mean: 43.9797 std. dev: 5.47719 percentiles: 10% 25% 50% 75% 90% 37 40 44 49 51 ------------------------------------------------------------------------------------------ chemothe Chemoterapy provided ------------------------------------------------------------------------------------------ type: numeric (byte) label: chemolab range: [1,2] units: 1 unique values: 2 missing .: 0/295 tabulation: Freq. Numeric Label 185 1 No 110 2 Yes ------------------------------------------------------------------------------------------ typesurg Type of surgery ------------------------------------------------------------------------------------------ type: numeric (byte) label: surglab range: [1,2] units: 1 unique values: 2 missing .: 0/295 tabulation: Freq. Numeric Label 161 1 excision 134 2 mastectomy name: log: \\Cronus\www\teaching\basicbiostat\files\spring2010_codebook.txt log type: text closed on: 22 Feb 2011, 09:09:26 ------------------------------------------------------------------------------------------