Table 2

Descriptive statistics and standardised differences for binary baseline variables, before matching and after matching and entropy balancing, for controls and integrated care patients (figures after matching, but before entropy balancing, are available in online supplementary tables 3 and 4)

VariableBefore matchingAfter matching and balancingStandard diff.
Potential controls
(n=97‚ÄČ040)
Integrated care patients
(n=2459)
Controls
(n=2867)
Integrated care patients
(n=1720)
Before matchAfter match and balance
Mean (%)SDMean (%)SDMean (%)SDMean (%)SD(%)(%)
Male48.250.048.450.047.950.047.950.00.380.01
Asian ethnicity29.645.724.042.724.943.224.943.213.140.01
Black ethnicity6.925.37.626.57.726.67.726.62.660.00
Other ethnicity3.518.42.415.42.415.42.415.46.800.00
Ex-smoker26.244.033.647.233.147.133.147.115.720.01
Light smoker16.637.213.734.413.834.513.834.58.390.01
Moderate smoker7.626.66.825.26.725.16.725.13.200.01
Heavy smoker6.023.85.222.15.422.65.422.63.900.00
Atrial fibrillation6.624.816.236.813.734.413.734.426.140.01
Peripheral arterial disease4.420.57.225.86.224.16.224.110.630.01
Coronary heart disease23.742.540.349.135.647.935.647.933.850.02
Cardiovascular disease26.944.321.140.822.141.522.141.514.250.01
Stroke8.628.016.637.215.035.715.035.721.620.01
Heart failure7.426.217.638.113.734.413.734.426.840.01
Myocardial infarction7.526.315.736.313.033.713.033.722.580.02
Hypertension62.148.571.645.171.245.371.245.320.990.02
COPD16.437.125.443.523.342.323.342.320.600.01
MRC3+ breathlessness score11.632.019.939.917.638.117.638.120.730.01
Asthma16.036.619.639.717.938.417.938.49.060.01
Diabetes40.149.048.050.046.749.946.749.915.720.00
At risk of diabetes11.131.49.829.710.330.410.330.44.320.01
Family diabetes11.231.58.227.59.229.09.229.010.710.00
Family hypercholesterolaemia13.434.011.131.511.431.811.431.87.080.01
Abnormal liver function test12.933.612.933.513.133.713.133.70.120.01
Dementia2.716.310.530.68.127.38.127.425.280.00
Manic depression/schizophrenia4.019.54.320.24.019.54.019.51.510.00
Anxiety16.937.517.638.116.737.316.737.31.740.01
Depression23.642.424.342.922.741.922.741.91.640.02
Cancer11.031.316.837.415.636.315.636.315.370.01
Thyroidism6.825.28.127.28.227.48.227.44.640.00
Chronic kidney disease20.440.335.747.932.446.832.446.831.940.01
Palliative care1.612.65.622.94.019.54.019.517.250.00
Interpreter needed30.245.927.044.427.244.527.244.57.240.01
Falls23.842.648.450.044.449.744.449.749.220.00
NHS health check37.748.526.644.228.145.028.145.025.210.02
Influenza vaccination86.534.292.726.092.426.492.426.423.910.01
Pneumonia vaccination71.845.082.338.281.938.581.938.527.280.02
Referred for pulmonary rehab9.429.215.235.913.734.413.734.416.010.01
Smoking advice given74.243.778.840.978.441.178.441.111.180.01
Referred to smoking cessation17.538.014.535.215.336.015.336.08.350.01
Lipid-lowering advice given83.737.087.932.687.533.187.533.113.070.02
Health network 220.340.215.836.516.036.716.036.712.260.02
Health network 310.030.07.426.16.324.46.324.410.110.01
Health network 412.733.310.530.710.831.010.831.07.070.01
Health network 512.833.411.031.311.732.211.732.25.870.02
Health network 67.626.59.128.79.429.19.429.15.030.00
Health network 712.232.726.944.324.843.224.843.233.170.01
Health network 89.529.32.515.62.916.82.916.844.900.00
Intervention/index in quarter 224.643.18.527.88.227.48.227.457.890.01
Intervention/index in quarter 325.243.411.832.312.733.312.733.341.500.01
Intervention/index in quarter 426.344.043.449.646.049.846.049.934.460.01
  • COPD,¬†chronic obstructive pulmonary disease; NHS, National Health Service.