Table 2 Accuracy of individual studies MRI in characterization of acute appendicitis during pregnancy
Study | Year | Participants | TP | FP | FN | TN | Sensitivity(95% CI) | Specificity(95% CI) | Accuracy | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
95% | Low | Up | 95% | Low | Up | ||||||||
Theilen | 2014 | 171 | 12 | 6 | 1 | 152 | 0.923 | 0.640 | 0.998 | 0.962 | 0.919 | 0.986 | 92% |
Ramalingam | 2015 | 102 | 8 | 6 | 0 | 88 | 1.000 | 0.631 | 1.000 | 0.936 | 0.866 | 0.976 | 100% |
Bichard | 2005 | 29 | 3 | 0 | 0 | 26 | 1.000 | 0.292 | 1.000 | 1.000 | 0.868 | 1.000 | 100% |
Fonseca | 2014 | 31 | 11 | 0 | 0 | 20 | 1.000 | 0.715 | 1.000 | 1.000 | 0.832 | 1.000 | 100% |
Isra | 2008 | 33 | 4 | 0 | 1 | 28 | 0.800 | 0.284 | 0.995 | 1.000 | 0.877 | 1.000 | 80% |
Rap | 2013 | 212 | 17 | 6 | 2 | 187 | 0.895 | 0.669 | 0.987 | 0.969 | 0.934 | 0.989 | 89% |
Jang | 2011 | 18 | 5 | 0 | 0 | 13 | 1.000 | 0.478 | 1.000 | 1.000 | 0.753 | 1.000 | 100% |
Masselli | 2011 | 40 | 5 | 0 | 0 | 35 | 1.000 | 0.478 | 1.000 | 1.000 | 0.753 | 1.000 | 100% |
Vu | 2009 | 19 | 1 | 0 | 1 | 17 | 0.500 | 0.013 | 0.987 | 1.000 | 0.805 | 1.000 | 50% |
Pedrosu | 2009 | 148 | 14 | 2 | 0 | 132 | 1.000 | 0.768 | 1.000 | 0.985 | 0.947 | 0.998 | 100% |
Ato | 2009 | 118 | 9 | 2 | 1 | 106 | 0.900 | 0.555 | 0.997 | 0.981 | 0.935 | 1.000 | 50% |
Cobben | 2004 | 12 | 3 | 0 | 0 | 9 | 1.000 | 0.292 | 1.000 | 1.000 | 0.664 | 1.000 | 100% |
Aguilera | 2016 | 52 | 2 | 0 | 9 | 41 | 0.182 | 0.023 | 0.518 | 1.000 | 0.914 | 1.000 | 18% |
Konrad | 2015 | 140 | 16 | 2 | 0 | 96 | 1.000 | 0.794 | 1.000 | 0.980 | 0.928 | 0.998 | 100% |
Sungah | 2016 | 125 | 24 | 5 | 0 | 96 | 1.000 | 0.858 | 1.000 | 0.950 | 0.888 | 0.984 | 100% |
Borkokereshi | 2017 | 176 | 14 | 1 | 0 | 161 | 1.000 | 0.768 | 1.000 | 0.994 | 0.982 | 1.000 | 100% |
Lauren M | 2015 | 709 | 61 | 5 | 2 | 641 | 0.968 | 0.890 | 0.996 | 0.992 | 0.982 | 0.997 | 96% |
Richard | 2017 | 223 | 13 | 6 | 1 | 198 | 0.929 | 0.661 | 0.998 | 0.971 | 0.937 | 0.989 | 92% |
Darshan | 2017 | 42 | 3 | 3 | 2 | 34 | 0.600 | 0.147 | 0.947 | 0.919 | 0.781 | 0.983 | 60% |
Pooled sensitivity and specificity | – | 2400 | 135 | 44 | 110 | 2080 | 0.918 | 0.877 | 0.949 | 0.979 | 0.972 | 1.000 | – |