Diabetic Retinopathy Screening and Monitoring of Early Stage Disease in Australian General Practice: Tackling Preventable Blindness within a Chronic Care Model

Table 1

Characteristics of intervention and control practice populations.

	Patients	Male; (%)	Female; (%)	Mean age in years; (±SD)^†	Mean HbA1c; (±SD)^†	Mean SBP; (±SD)^†	Mean DBP^‡; (±SD)^†	Median duration of disease in years; (interquartile range)
Intervention	447	228 (51)	219 (49)	68.3 (12.7)	7.4 (1.6)	132.6 (16.9)	73.9 (11.3)	6 (3, 11)
Control	577	318 (55)	259 (45)	66.1 (12.8)	7.7 (2.3)	135.3 (18.3)	77.2 (11.3)	7 (2, 11)

Systolic blood pressure.
^‡Diastolic blood pressure.
^†Age; HbA1c, SBP, and DBP reported as the mean plus or minus (±) SD (standard deviation).
^#Duration of disease reported as median (interquartile range).
Number of observations for SBP, DBP and duration of disease was 400 (in the intervention group) and 431 (in the control group).