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Table 1 Capture of positive COVID-19 tests by source of positive test data (UKRR, PHE or combined) and patient characteristics

From: What data collection methods work best for COVID19 outbreak surveillance for people with end stage kidney disease? An observational cohort study using the UK Renal Registry

 

Combined

UKRR

PHE

In both sources

 

N

n (%)

n (%)

n (%)

Total

2783

2543 (91.4)

2664 (95.7)

2424 (87.1)

Modality

    

In-centre haemodialysis

2114

2008 (95)

2024 (95.7)

1918 (90.7)

Transplant

524

406 (77.5)

500 (95.4)

382 (72.9)

Peritoneal dialysis

104

93 (89.4)

101 (97.1)

90 (86.5)

Home haemodialysis

41

36 (87.8)

39 (95.1)

34 (82.9)

Age group (years)

    

18–39

183

155 (84.7)

170 (92.9)

142 (77.6)

40–59

806

729 (90.5)

764 (94.8)

687 (85.2)

60–79

1384

1277 (92.3)

1337 (96.6)

1230 (88.9)

80+

410

382 (93.2)

393 (95.9)

365 (89)

Sex

    

Male

1734

1589 (91.6)

1663 (95.9)

1518 (87.5)

Female

1049

954 (90.9)

1001 (95.4)

906 (86.4)

Area-level deprivation

    

1 = least deprived quintile

281

255 (90.8)

270 (96.1)

244 (86.8)

2

380

344 (90.5)

369 (97.1)

333 (87.6)

3

567

526 (92.8)

544 (95.9)

503 (88.7)

4

744

682 (91.7)

714 (96)

652 (87.6)

5 = most deprived quintile

811

736 (90.8)

767 (94.6)

692 (85.3)

Ethnicity

    

White

1417

1280 (90.3)

1358 (95.8)

1221 (86.2)

Asian

663

607 (91.6)

631 (95.2)

575 (86.7)

Black

494

460 (93.1)

476 (96.4)

442 (89.5)

Mixed

59

53 (89.8)

55 (93.2)

49 (83.1)

Other

80

75 (93.8)

77 (96.3)

72 (90)

Missing

70

68 (97.1)

67 (95.7)

65 (92.9)

Waitlisted (dialysis only)

    

Not listed

1902

1799 (94.6)

1825 (96)

1722 (90.5)

Listed

357

338 (94.7)

339 (95)

320 (89.6)

Month of positive test

    

March

902

855 (94.8)

875 (97)

828 (91.8)

April

1419

1326 (93.5)

1360 (95.8)

1267 (89.3)

May

266

215 (80.8)

250 (94)

199 (74.8)

June

121

102 (84.3)

107 (88.4)

88 (72.7)

July

39

31 (79.5)

38 (97.4)

30 (76.9)

August

36

14 (38.9)

34 (94.4)

12 (33.3)

Pillar1

    

Pillar 1

2609

2407 (92.3)

2609 (100)

2407 (92.3)

Pillar 2

55

18 (32.7)

55 (100)

18 (32.7)

Missing

119

119 (100)

0 (0)

 
  1. 1 Pillar was only provided in the PHE data