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Table 5 (Min, max) sample sizes required to achieve the desired precision for sensitivity. N.B. The initial sample size is set to 10

From: Sample size determination for point-of-care COVID-19 diagnostic tests: a Bayesian approach

  

Number with COVID in lab study, \(n_c\)

COVID prevalence

Target assurance

10

20

30

40

50

0.05

0.8

(783, 1630)

(66, 1393)

(10, 1080)

(10, 745)

(10, 403)

 

0.9

(1142, 2233)

(196, 1901)

(10, 1476)

(10, 1022)

(10, 558)

0.1

0.8

(317, 605)

(22, 511)

(10, 396)

(10, 275)

(10, 152)

 

0.9

(416, 708)

(90, 596)

(10, 463)

(10, 324)

(10, 182)

0.2

0.8

(152, 278)

(10, 232)

(10, 180)

(10, 125)

(10, 70)

 

0.9

(194, 307)

(44, 256)

(10, 200)

(10, 141)

(10, 80)

0.3

0.8

(101, 182)

(10, 151)

(10, 117)

(10, 82)

(10, 45)

 

0.9

(128, 198)

(29, 165)

(10, 128)

(10, 90)

(10, 51)