Measuring quality of diabetes care by linking health care system administrative databases with laboratory data

BMC Research Notes

Table 3 Outcomes of A1C Testing by Frequency of Testing among Saskatchewan Adults with Diabetes

	Persons with only 1 A1C test/year		Persons with 2 A1C tests/year		Persons with 3 A1C tests/year		Persons with >= 4 A1C tests/year		Test for linear trend
	n*	% A1C <= 7.0	n†	% A1C <= 7.0	n†	% A1C <= 7.0	n†	% A1C <= 7.0
ALL SASK	15034	49.1	10336	48.0	5371	47.5	3179	47.3
female	7059	51.3	4864	49.8	2581	49.1	1467	49.7	p = 0.0259 (1 sided) = 0.0517 (2 sided)
Male	7975	47.1	5472	46.4	2790	46.0	1712	45.3	p = 0.0711 (1 sided) = 0.1422 (2 sided)
ETHNICITY
FN	1866	38.9	1073	41.0	453	44.8	254	44.9	p = 0.0035 (1 sided) = 0.0070 (2 sided)
OSK	13168	50.5	9263	48.8	4918	47.7	2925	47.6	p = 0.0001 (1 sided) = 0.0001 (2 sided)

All rates are crude rates
* Denominator is all prevalent diabetes cases aged 20 years and older at the beginning of fiscal year 2005-06
† Includes prevalent diabetes cases defined at beginning of fiscal year 2005/06 and who survived the year with SK Ministry of Health insurance coverage
A1C values in this table are based on the last A1C result reported for year

ISSN: 1756-0500