Laboratory Medicine and Quality Assurance

Table. 7.

Distribution of the results (ng/mL) of the fecal occult blood quantitative test

Specimen Instruments No. of participants Mean±SD CV (%) Min Max
CS-22-01 All instruments 318 0.9±1.5 174.6 0 85
Eiken OC Pledia 122 0 0.0 0 8
Eiken OC Diana 44 0.9±1.4 159.3 0 8
Eiken OC io 15 0 0.0 0 2
Alfresa NS-Prime 60 2.1±1.5 71.4 0 7
Aflresa NS-Plus C 10 67.0±3.9 5.8 61 85
Minaris HM-JACK arc 31 0 0.0 0 7
SD STANDARD F2400 20 25.0±0.0 0.0 0 26
CS-22-02 All instruments 318 0.9±1.6 183.5 0 85
Eiken OC Pledia 122 0 0.0 0 7
Eiken OC Diana 44 0.4±0.7 186.1 0 5
Eiken OC io 15 0 0.0 0 4
Alfresa NS-Prime 60 2.4±2.0 83.9 0 7
Aflresa NS-Plus C 10 72.4±7.8 10.8 60 85
Minaris HM-JACK arc 31 0 0.0 0 7
SD STANDARD F2400 20 25.0±0.0 0.0 0 25
CS-22-03 All instruments 318 312.6±23.4 7.5 40 1,000
Eiken OC Pledia 122 314.8±18.9 6.0 191 410
Eiken OC Diana 44 306.0±24.2 7.9 129 374
Eiken OC io 15 316.1±23.5 7.4 120 368
Alfresa NS-Prime 60 315.2±15.2 4.8 202 532
Aflresa NS-Plus C 10 312.0±24.7 7.9 194 355
Minaris HM-JACK arc 31 91.5±10.5 11.5 42 113
SD STANDARD F2400 20 615.6±73.5 11.9 479 762
CS-22-04 All instruments 327 247.0±23.1 9.3 15 1,000
Eiken OC Pledia 136 244.1±17.4 7.1 102 298
Eiken OC Diana 41 236.6±25.0 10.6 142 288
Eiken OC io 15 252.1±21.3 8.5 209 292
Alfresa NS-Prime 58 263.7±16.9 6.4 218 332
Aflresa NS-Plus C 8 NA NA 227 265
Minaris HM-JACK arc 31 79.1±7.5 9.5 37 170
SD STANDARD F2400 23 656.9±136.7 20.8 380 950
CS-22-05 All instruments 327 1.3±2.0 155.2 0 86
Eiken OC Pledia 136 0.3±0.7 202.3 0 10
Eiken OC Diana 41 1.1±1.4 134.6 0 8
Eiken OC io 15 0 0.0 0 5
Alfresa NS-Prime 58 3.6±2.9 81.1 0 16
Aflresa NS-Plus C 8 NA NA 57 86
Minaris HM-JACK arc 31 0.3±0.5 182.1 0 2
SD STANDARD F2400 23 25.0±0.0 0.0 0 31
CS-22-06 All instruments 327 52.9±12.3 23.2 0 471
Eiken OC Pledia 136 53.5±7.5 14.0 0 75
Eiken OC Diana 41 55.3±7.1 12.8 26 74
Eiken OC io 15 51.0±7.5 14.7 39 61
Alfresa NS-Prime 58 61.9±8.4 13.5 18 81
Aflresa NS-Plus C 8 NA NA 79 137
Minaris HM-JACK arc 31 22.3±4.8 21.5 13 33
SD STANDARD F2400 23 302.6±59.7 19.7 111 471

Unusual results are indicated in bold. The instruments used were as follows: Eiken (Eiken Chemical Co., Tokyo, Japan), Alfresa (Alfresa Pharma Co., Osaka, Japan), Minaris (Minaris Medical Co. Ltd., Tokyo, Japan), and SD (Standard Diagnostics, Seoul, Korea).

Abbreviations: SD, standard deviation; CV, coefficient of variation; NA, not available.

Lab Med Qual Assur 2023;45:125~134 https://doi.org/10.15263/jlmqa.2023.45.4.125
© Lab Med Qual Assur