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Table 4 Baseline characteristics of patients

From: Feedback GAP: pragmatic, cluster-randomized trial of goal setting and action plans to increase the effectiveness of audit and feedback interventions in primary care

  Feedback plus worksheet Feedback alone ICC
Patients (total = 4,617) 2,157 2,460 -
IHD only 545 (25%) 637 (26%) -
DM only 1,329 (62%) 1,534 (62%) -
IHD and DM 283 (13%) 289 (12%) -
Age (mean years ± sd) 67 ±14 65 ±14 -
Female 906 (42%) 1,251 (46%) -
WT (mean kg ± sd) 88 ±22 90 ±29 0.047
Systolic BP (mean mmHg ± sd) 130 ±18 129 ±17 0.058
Diastolic BP (mean mmHg ± sd) 73 ±11 75 ±11 0.079
LDL (mean mmol/l ± sd) 2.3 ±0.9 2.3 ±0.9 0.053
HbA1c^ (mean% ± sd) 7.4 ±1.4 7.3 ±1.4 0.011
LDL at target~ 665 (31%) 826 (34%) 0.051
BP at target~ 1,019 (47%) 1,054 (43%) 0.071
BP test in 6 M 1,839 (85%) 1,831 (74%) 0.183
A1C test in 6 M^ 1,267 (79%) 1,250 (69%) 0.079
FBG test in 24 M 1,904 (88%) 2,134 (87%) 0.091
LDL test in 12 M 1,574 (73%) 1,770 (72%) 0.096
ACR test in 12 M^ 1,044 (65%) 1,232 (68%) 0.195
Rx ASA* 602 (73%) 657 (71%) 0.092
Rx Statin 1,463 (68%) 1,757 (71%) 0.051
Rx ACE/ARB^ 1,153 (71%) 1,243 (68%) 0.068
Rx Beta blocker* 497 (60%) 562 (61%) 0.008
Rx insulin^ 339 (21%) 391 (21%) 0.006
Composite process score (mean ± sd) 73 ±25 71 ±27 0.106
  1. Legend: ICC = Intra-cluster correlation reported at physician-level, ^ = Calculated for patients with diabetes, * Calculated for patients with IHD, ~ = Target BP 130/80 for diabetes but 140/90 for IHD and Target LDL < 2, IHD = ischemic heart disease, BP = blood pressure, A1C = haemoglobin A1c, FBG = fasting blood glucose, LDL = low density lipoprotein cholesterol, ACR = urinary albumin-to-creatinine ratio, ASA = aspirin, ACE/ARB = angiotensin-modifying agent, kg = kilogram, sd = standard deviation.