. Author manuscript; available in PMC: 2011 Mar 22.

Published in final edited form as: Arch Intern Med. 2010 Mar 16;170(6):521–528. doi: 10.1001/archinternmed.2010.22

Table 2. Timing of Clinical Care Following an Abnormal Mammogram¹ for Massachusetts BCCEDP² Participants.

All Participants (n = 2,252)	n	Median Days to Diagnostic Resolution³	Interquartile Range³	p-value⁴

Study Period of Follow-up
Pre-Case Management 7/1/1998-6/30/2001	832	40	21- 84	p < 0.001
Post-Case Management 7/1/2001-12/31/2003	536	32	17 - 57
Post-Free Treatment 1/1/2004-6/30/2007	884	28	15 - 54

Race/Ethnicity
Non-Hispanic White	1,358	29	15 - 57	< 0.001
Non-Hispanic Black	214	37	21 - 67
Hispanic	630	38	22 - 71
Non-Hispanic Asian	50	30	12 - 159

Breast Cancer Cases (n = 442)	n	Median Days to Initiation of Treatment³	Interquartile Range³	p-value⁴

Study Periods
Pre-Case Management 7/1/1998-6/30/2001	139	57	34 - 90	p = 0.001
Post-Case Management 7/1/2001-12/31/2003	105	45	28 - 70
Post-Free Treatment 1/1/2004-6/30/2007	198	42	30 - 60

Race/Ethnicity
Non-Hispanic White	320	45	30 - 74	0.2146
Non-Hispanic Black	37	36	28 - 66
Hispanic	79	51	35 - 79
Non-Hispanic Asian	6	40	17 - 54

Mammograms associated with BI-RADS results 4 (suspicious abnormality) or 5 (highly suggestive of malignancy) that occurred 7/1/1998 – 3/31/2007.

BCCEDP: Breast and Cervical Cancer Early Detection Program.

Kaplan-Meier estimates.

⁴

Wilcoxon Test of Equality over Strata.

Table 2. Timing of Clinical Care Following an Abnormal Mammogram1 for Massachusetts BCCEDP2 Participants.