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Table 3 C-statistics for different sets of predictor variable sets, by sex and broad age group

From: Comparison of methods for predicting COVID-19-related death in the general population using the OpenSAFELY platform

Approach; measures of infection prevalence included; model form

Validation period

Predictor set

C-statistic

Age 18–<70

Age 70–<80

Age 80+

Female

Male

Female

Male

Female

Male

(A), none, Cox

1

Age-sex

0.809

0.834

0.580

0.575

0.641

0.533

Comorbidities

0.887

0.917

0.842

0.772

0.772

0.641

COVID-AGE

0.908

0.915

0.833

0.762

0.720

0.631

Selected

0.876

0.910

0.838

0.785

0.765

0.651

Full

0.892

0.929

0.846

0.789

0.762

0.662

2

Age-sex

0.794

0.815

0.593

0.560

0.631

0.633

Comorbidities

0.895

0.888

0.775

0.730

0.705

0.688

COVID-AGE

0.906

0.888

0.765

0.733

0.698

0.679

Selected

0.888

0.892

0.813

0.776

0.746

0.731

Full

0.921

0.915

0.835

0.796

0.776

0.763

3

Age-sex

0.832

0.819

0.570

0.600

0.655

0.650

Comorbidities

0.905

0.890

0.784

0.735

0.706

0.708

COVID-AGE

0.907

0.897

0.808

0.721

0.711

0.701

Selected

0.910

0.890

0.837

0.792

0.747

0.750

Full

0.918

0.908

0.856

0.830

0.780

0.783

(B), modelled estimates, Poisson

1

Age-sex

0.814

0.851

0.709

0.634

0.723

0.607

Comorbidities

0.884

0.918

0.856

0.773

0.790

0.668

Selected

0.862

0.906

0.861

0.765

0.789

0.679

Full

0.890

0.928

0.863

0.786

0.786

0.688

2

Age-sex

0.808

0.828

0.625

0.583

0.634

0.648

Comorbidities

0.897

0.889

0.778

0.733

0.706

0.697

Selected

0.894

0.895

0.825

0.786

0.767

0.751

Full

0.923

0.915

0.836

0.799

0.777

0.765

3

Age-sex

0.835

0.836

0.638

0.611

0.692

0.684

Comorbidities

0.900

0.897

0.797

0.740

0.724

0.727

Selected

0.900

0.889

0.852

0.794

0.781

0.772

Full

0.919

0.908

0.863

0.824

0.793

0.792