## 3 Results and Discussion
### Analysis of Extracted Data
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline
**Reference** & **Test Data** & \
\begin{tabular}{c} **COVID-19** \\ **Positive** \\ \end{tabular} &
\begin{tabular}{c} **Pneumonia/Other** \\ **Infection** \\ \end{tabular} & **Healthy** & **Total** & **Sources/Links** \\ \hline
[60] & \
\begin{tabular}{c} Chest CT \\ Images \\ \end{tabular} & 924 & 4448 & * NA & 5372 &
\begin{tabular}{c} Renmin Hospital of Wuhan \\ University, Henan Provincial \\ People’s hospital, First \\ Hospital of China Medical \\ University First Affiliated \\ Hospital of Anhui Medical \\ University Beijing Youuan \\ Hospital of Capital Medical \\ University, Huangshi \\ Central Hospital, \\ \end{tabular} \\ \hline
[61] & \
\begin{tabular}{c} Chest CT \\ Images \\ \end{tabular} & 349 & * NA & 463 & 812 &
\begin{tabular}{c} [[https://www.sirm.org/](https://www.sirm.org/)]([https://www.sirm.org/](https://www.sirm.org/)) \\ [[https://radiopaedia.org/](https://radiopaedia.org/)]([https://radiopaedia.org/](https://radiopaedia.org/)) \\ [[https://www.kaggle.com/](https://www.kaggle.com/)]([https://www.kaggle.com/](https://www.kaggle.com/)) \\ tawslurirahman/covid19- \\ radiography-database/ \\ [[https://coronacases.org/](https://coronacases.org/)]([https://coronacases.org/](https://coronacases.org/)) \\ [[https://www.eurorad.org/](https://www.eurorad.org/)]([https://www.eurorad.org/](https://www.eurorad.org/)) \\ \end{tabular} \\ \hline
[62] &
\begin{tabular}{c} Chest X-ray \\ CT Images \\ \end{tabular} & ** NS & 4273 & 1583 & 5856 & [63] \\ \hline
[64] & \
\begin{tabular}{c} Chest X-ray \\ CT-ray \\ \end{tabular} & 45 & 931 & 660 & 1636 &
\begin{tabular}{c} [[https://github.com/](https://github.com/)]([https://github.com/](https://github.com/)) \\ lindawango/COVID-Net \\ [[https://www.kaggle.com/](https://www.kaggle.com/)]([https://www.kaggle.com/](https://www.kaggle.com/)) \\ c/rsna-pneumonia- \\ detection-challenge/data \\ \end{tabular} \\ \hline
[65] & \
\begin{tabular}{c} Chest X-ray \\ \end{tabular} & 105 & * NA & 80 & 185 &
\begin{tabular}{c} [[https://github.com/ieee802](https://github.com/ieee802)]([https://github.com/ieee802](https://github.com/ieee802)) \\ 3/covid-chestxray-dataset \\ [[https://github.com/](https://github.com/)]([https://github.com/](https://github.com/)) \\ [PERSON]/COVID-19 \\ \end{tabular} \\ \hline
[66] & \
\begin{tabular}{c} Chest X-ray \\ \end{tabular} & 680 & 1845 + 3457 & 9977 & 15,959 &
\begin{tabular}{c} [[https://www.kaggle.com/](https://www.kaggle.com/)]([https://www.kaggle.com/](https://www.kaggle.com/)) \\ c/rsna-pneumonia- \\ [[https://www.kaggle.com/](https://www.kaggle.com/)]([https://www.kaggle.com/](https://www.kaggle.com/)) \\ tawslurirahman/covid19- \\ radiography-database \\ [[https://github.com/ieee802](https://github.com/ieee802)]([https://github.com/ieee802](https://github.com/ieee802)) \\ 3/covid-chestxray-dataset \\ [[https://github.com/](https://github.com/)]([https://github.com/](https://github.com/)) \\ muhammedtalo/COVID-19 \\ \end{tabular} \\ \hline
[67] & \
\begin{tabular}{c} Chest X-ray \\ \end{tabular} & 534 & 1157 & 1310 & 3001 &
\begin{tabular}{c} [[https://github.com/ieee802](https://github.com/ieee802)]([https://github.com/ieee802](https://github.com/ieee802)) \\ 3/covid-chestxray-dataset \\ [[https://github.com/](https://github.com/)]([https://github.com/](https://github.com/)) \\ muhammedtalo/COVID-19 \\ \end{tabular} \\ \hline
[68] & \
\begin{tabular}{c} Chest X-ray \\ \end{tabular} & 210 & 350 & 350 & 910 &
\begin{tabular}{c} [[https://www.kaggle.com/](https://www.kaggle.com/)]([https://www.kaggle.com/](https://www.kaggle.com/)) \\ tawslurirahman/covid19- \\ radiography-database \\ \end{tabular} \\ \hline
[69] & \
\begin{tabular}{c} Chest X-ray \\ \end{tabular} & 696 & 696 & 696 & 2088 &
\begin{tabular}{c} [[https://github.com/ieee802](https://github.com/ieee802)]([https://github.com/ieee802](https://github.com/ieee802)) \\ 3/covid-chestxray-dataset \\ \end{tabular} \\ \hline
[70] & \begin{tabular}{c} Clinical Blood \\ Test \\ \end{tabular} & \
\begin{tabular}{c} Suspected \\ Covid-19 \\ 105 \\ \end{tabular} & 148 & * NA & 253 &
\begin{tabular}{c} [[https://github.com/](https://github.com/)]([https://github.com/](https://github.com/)) \\ tawslurirahman/covid19- \\ Hospital of Lanzhou City, \\ Lanzhou University Second \\ Hospital, China \\ \end{tabular} \\ \hline \hline \end{tabular}
\end{table}