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Table 1 Agreement between SRP and EMR in percentage and Cohen's kappa.

From: A structured registration program can be validly used for quality assessment in general practice

  Parameter absent in both systems (%) Parameter present in EMR, but absent SRP (%) Parameter present in SRP, but absent EMR (%) Kappab, registration (present/absent) Registered in both systems and agree perfectly (%) Registered in both systems, but values differ (%) Kappaa, b, target values (normal/aberrant) Clinical target values
HbA1c 12 9 6 0.54 68 6 0.96 7.0 mmol/l
Ranged 0-33 0-31 0-13 -0.06-0.84 56-87 0-13 0.77-1.0  
Fasting glucose 5 9 11 0.19 45 30 0.78 7.0 mmol/l
Range 0-13 0-13 3-33 -0.13-0.76 7-67 10-47 0.25-1.0  
Cholesterol total 13 4 8 0.62 67 8 0.89 5.1 mmol/l
Range 0-30 0-13 0-20 0.32-1.0 52-81 0-22 0.69-1.0  
Chol. HDL 14 5 7 0.62 65 8 0.96 1.0 mmol/l
Range 0-30 0-10 0-22 0.32-1.0 43-81 0-27 0.78-1.0  
Triglyceride 14 4 8 0.63 64 10 0.83 2.0 mmol/l
Range 0-30 0-10 0-20 0.33-1.0 48-81 0-26 0.64-1.0  
Creatinine 13 7 10 0.48 61 8 1.0 200 μmol/l
Range 0-33 0-23 0-31 0.36-0.84 47-73 0-17 1.0  
Microalbuminuria 46 14 7 0.58 # # # -
  12-100 3-40 0-19 0.02-1.0 - - -  
Blood pressure 7 16* 5* 0.30 58 14 0.79 160/90
mmHg
Range 0-23 0-46 0-22 -0.03-0.76 30-100 0-42 0.2-1.0  
Weightc 16 4* 23* 0.39 42 15   
Range 0-40 0-10 0-59 -0.04-0.87 4-93 0-40 0.97
0.86-1.0
25 Kg/m2
Heightc (n = 119) 14 10 16 0.35 48 13   
Range 0-33 0-40 0-60 0.69-0.76 7-93 0-33   
Smoking behaviour (n = 119) 4 3* 70* -0.02 22 2 - -
Range 0-20 0-7 33-100 -0.14-0.35 0-53 0-7 -  
Feet exam 50 12 16 0.41 # # - -
Range 4-93 0-31 0-37 -0.18-0.66 - - -  
Eye exam 32 10* 21* 0.36 # # - -
Range 7-60 0-31 0-48 -0.05-0.91 - - -  
  1. a N depends on percentage of registered values.
  2. b If at least one variable is a constant, a Kappa could not be calculated for all practices independently.
  3. c To determine Kappa (target values) for weight and height, BMI was computed.
  4. d Range: the minimal and maximal percentage or kappa per outcome.at practice level.
  5. * Significant difference between EMR and SRP based on McNemar test, p < 0.01
  6. # Not comparable due to different units of measurement
  7. - Not applicable
  8. SRP = Structured registration program, EMR = Electronic medical record, HbA1c = Glycosylated haemoglobin