Table 1.

Patient demographics and cancer disease and treatment characteristics, N=258

Characteristic	Number	%
Age at diagnosis, years   Mean   Standard deviation   Range	58 13 [28, 95]
Years from diagnosis date to November 1, 2011   Mean   Standard deviation   Range	6 2 [2, 10]
Disease stage   Stage 0 or 1   Stage 2 or 3A	182 76	71 30
Lumpectomy   Yes   No	187 71	72 28
Mastectomy   Yes   No	71 187	28 72
Chemotherapy   Yes   No	104 154	40 60
Radiation   Yes   No	188 70	73 27
Insurance type   HMO   PPO   Medicare	151 37 70	59 14 27
Main treating physician Provider 1 Provider 2 Provider 4 Provider 5 Provider 6 Provider 7 Provider 8 Provider 9 Provider 10 Provider 11 Provider 13 Other*	24 67 39 25 6 34 7 9 5 5 17 20	9 26 15 10 2 13 3 4 2 2 7 8

^*Other includes providers with less than 3 patients

Abbreviations: HMO: Health maintenance organization PPO: Preferred provider organization