Fig. 1.
Coefficient of variation of the intra test for photostimulated chemiluminescence assay_
| Indicator | Low S/CO | High S/CO | Negative S/CO |
|---|---|---|---|
| Mean | 3.734 | 15.495 | 0.461 |
| SD | 0.063 | 0.268 | 0.014 |
| CV | 1.68% | 1.73% | 3.03% |
Coefficient of variation of the inter test for photostimulated chemiluminescence assay_
| Indicator | Low S/CO | High S/CO | Negative S/CO |
|---|---|---|---|
| Mean | 4.018 | 16.284 | 0.474 |
| SD | 0.065 | 0.365 | 0.016 |
| CV | 1.63% | 2.24% | 3.38% |
CV values for three years of in-house quality control_
| Year | CV% |
|---|---|
| 2020 | 3.61% |
| 2021 | 3.36% |
| 2022 | 3.67% |
| Mean | 3.55% |
Agreement of inter-test measure photostimulated chemiluminescence assay_
| LICA500 in our hospital | LICA500 in Taizhou People’s Hospital | Agreement | |
|---|---|---|---|
| Positive | Negative | ||
| Positive | 10 | 0 | 100% |
| Negative | 0 | 10 | 100% |
Distribution ranges of COI values and WB test results in photostimulated chemiluminescence assay_
| COI | Photostimulated chemiluminescence assay positive | WB positive | WB negative |
|---|---|---|---|
| 1.0–10.0 | 26 | 1 | 25 |
| 10.0–20.0 | 2 | 0 | 2 |
| 20.0–30.0 | 2 | 0 | 2 |
| 30.0–40.0 | 2 | 2 | 0 |
| > 40.0 | 47 | 47 | 0 |
| Total | 79 | 50 | 29 |