Table 3.

Accuracy of patients’ responses to health history questionnaire items, compared with a study coordinator’s abstraction of the data from the patients’ medical charts.

Item by website section		Total responses per Item	Items for which patient’s response matches chart	Accuracy rate
My Health as of Today
	Menopausal status	20	19	95%
	Stage of current cancer	20	15	75%
	Treatment received? (yes/no)	20	20	100%
	Response to last treatment	20	15	75%
	Pregnant or nursing	20	20	100%
	Current well-being	20	20	100%
	Hypertension	20	20	100%
	Cardiac arrhythmia	20	20	100%
	Other medical problems	20	17	85%
	Disease in axillary lymph nodes	20	16	80%
	Disease in nonaxillary lymph nodes	20	19	95%
	Disease in bone	20	19	95%
	Disease in brain or spinal cord	20	19	95%
	Disease in chest wall	20	17	85%
	Disease in other sites	20	20	100%
	Subtotals	300	276	92.0%
My Cancer
	Date of breast cancer diagnosis	20	19	95%
	Stage at diagnosis	20	18	90%
	Type of cancer	20	17	85%
	Estrogen receptor status	20	18	90%
	Progesterone receptor status	20	13	65%
	Positive lymph nodes	20	17	85%
	Sentinel node biopsy	20	17	85%
	Local recurrence	20	20	100%
	Metastasis	20	19	95%
	Inflammatory breast cancer	20	19	95%
	HER2/neua status	20	16	80%
	Subtotals	220	193	87.7%
My Treatment
	Treatment modality (eg, surgery, radiation, chemotherapy)	96	84	88%
	Type of surgery (eg, mastectomy)	150	137	91.3%
	Location of radiation therapy (eg, breast, bone)	63	57	90%
	Type of hormone therapy (eg, tamoxifen)	91	90	99%
	Type of bisphosphonate therapy (eg, Zometab)	12	12	100%
	Type of biologic therapy (eg, Herceptinc)	8	8	100%
	Type of chemotherapy (eg, paclitaxel)	340	328	96.5%
	Setting (neoadjuvant, adjuvant, metastatic)	88	81	92%
	Overall response (eg, no cancer, cancer progressed)	88	58	66%
	Subtotals	936	855	91.4%
Total		1456	1324	90.93%

^a Human epidermal growth factor receptor 2.

^b Generic name zoledronic acid.

^c Generic name trastuzumab.