Table 6 Sensitivity measure of studies used other methods to measure contamination (non-microbial/ non-blood based) (n = 10).
Study | Visible inspection alone | Visible inspection with enhancers | Highly sensitive equipment used e.g., SEM. | Overall sensitivity assessment | |
|---|---|---|---|---|---|
1 | Bentley 1994 [20] | Yes | – | – | Low |
2 | Ahmed 2021 [34] | – | Yes | – | Moderate |
3 | Allison 2021(a) [18] | – | Yes | – | Moderate |
4 | Allison 2021(b) [19] | – | Yes | Yes | High |
5 | Allison 2021(c) [35] | – | Yes | High | |
6 | Grzech-Lesniak 2021 [36] | – | – | Yes | Unscored as sensitivity and equipment not specified |
7 | Han 2021 [16] | – | – | Yes | High |
8 | Nulty 2020 [29] | – | – | Yes | High |
9 | Holliday 2021 [15] | – | – | Yes | High |
10 | Shahdad 2021 [17] | – | – | Yes | High |
