Table 2 Rates of referral and cancer detection by initial gFOBt-positive spot count result

From: Factors associated with completion of bowel cancer screening and the potential effects of simplifying the screening test algorithm

gFOBt kit 1 positive spot count

Completed gFOBt kit

Referred to SSP

Attended SSP appointment

Received diagnostic test

Cancer found

Proportion referred for follow up, 95% confidence interval

Proportion with cancer of those receiving diagnostic tests, 95% confidence interval

1

34 805

10 167

9707

8945

442

29.21%

28.74–29.69%

4.94%

4.51–5.41%

2

21 225

8417

8012

7344

530

39.66%

39–40.32%

7.22%

6.65–7.83%

3

4700

2794

2669

2431

282

59.45%

58.04–60.84%

11.60%

10.39–12.93%

4

4411

2741

2581

2309

355

62.14%

60.7–63.56%

15.37%

13.96–16.9%

5

1798

1798

1677

1489

289

100%

99.79–100%

19.41%

17.48–21.5%

6

2341

2341

2135

1839

463

100%

99.84–100%

25.18%

23.25–27.21%

Total

69 280

28 258

26 781

24 357

2361

40.79%

40.42–41.15%

9.69%

9.33–10.07%

  1. Abbreviations: gFOBt=guaiac faecal occult blood test; NHS=National Health Service.
  2. Participants aged between 60 and 69 years who returned at least one gFOBt kit in response to their first screening invitation from the NHS Bowel Cancer Screening Southern Programme Hub, where the result of kit 1 was 1–6 positive spots.
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