Table 1 Characteristics of the included studies that used PCT to assess pediatric acute appendicitis in the meta-analysis
First author | Year of publication | Country | AA | Control | Age, years;Mean (range) | PCT testing system | Cut-off (ng/ml) | Sensitivity (%) | Specificity (%) | No. of TP | No. of FP | No. of FN | No. of TN |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alkan [10] | 2017 | Turkey | 56 | 40 | 9 (7–11) | LUMI test | 0.37 | 32.3 | 89.7 | 18 | 4 | 38 | 36 |
Benito [17] | 2016 | Spain | 89 | 96 | 9.32 ± 2.7 | LUMI test | 0.1 | 38.1 | 64.5 | 34 | 34 | 55 | 62 |
Wang [11] | 2016 | China | 96 | 56 | 7.4 ± 2.1 | LUMI test | 0.5 | 85.4 | 90.6 | 82 | 5 | 14 | 51 |
Li [13] | 2015 | China | 42 | 36 | 12(5–17) | LUMI test | 0.5 | 95.2 | 88.9 | 40 | 4 | 2 | 32 |
Chandel [16] | 2011 | India | 23 | 27 | 3–15 | LUMI test | 0.5 | 95·6 | 100 | 22 | 0 | 1 | 17 |
Kafetzis [15] | 2005 | Greece | 130 | 82 | 9 ± 2.2 | LUMI test | 0.5 | 73·0 | 95·0 | 47 | 8 | 7 | 140 |
Kouame [14] | 2005 | France | 68 | 31 | 2–15 | LUMI test | 0.5 | 28·0 | 100 | 19 | 4 | 49 | 29 |