## 3 Results
### Aggregation Operators and q-ROFS
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline \multirow{2}{*}{**Patient\textbackslash\textbackslash{} Disease**} & **Viral** & **Malaria** & **Typhoid** & **Stomach** & **Chest** \\  & **Fever** & **Fever** & **Fever** & **Problems** & **Problems** \\ \hline P\({}_{1}\) & \(\langle 0.064,\,0.064\rangle\) & \(\langle 0.343,\,0.343\rangle\) & \(\langle 0.124,\,0.126\rangle\) & \(\langle-\)0.056, 0.07\(\rangle\) & \(\langle-\)0.117, 0.13\(\rangle\) \\ P\({}_{2}\) & \(\langle-\)0.098, 0.152\(\rangle\) & \(\langle-\)0.2, 0.22\(\rangle\) & \(\langle 0.0,\,0.128\rangle\) & \(\langle 0.21,\,\textbf{0.21}\rangle\) & \(\langle-\)0.33, 0.35\(\rangle\) \\ P\({}_{3}\) & \(\langle 0.063,\,0.065\rangle\) & \(\langle 0.342,\,0.344\rangle\) & \(\langle 0.215,\,0.217\rangle\) & \(\langle-\)0.056, 0.07\(\rangle\) & \(\langle-\)0.117, 0.13\(\rangle\) \\ P\({}_{4}\) & \(\langle 0.064,\,0.064\rangle\) & \(\langle 0.343,\,0.343\rangle\) & \(\langle 0.098,\,0.15\rangle\) & \(\langle-\)0.037, 0.1\(\rangle\) & \(\langle-\)0.056, 0.072\(\rangle\) \\ \hline \hline \end{tabular}  
* Patient P\({}_{1}\) suffered from malaria fever with score (0.343); patient P\({}_{2}\) suffered from stomach problems with score (0.27); patient P\({}_{3}\) suffered from malaria fever with score (0.342); patient P\({}_{4}\) suffered from malaria fever with score (0.343); patient P\({}_{4}\) suffered from malaria fever with score (0.343).  
\end{table} 
Table 60: Membership and Non-membership degrees (Aggregation: Bellaman/Zadeh). \begin{table}
\begin{tabular}{c c c c c c} \hline \hline \multirow{2}{*}{**Patient\textbackslash\textbackslash{} Disease**} & **Viral** & **Malaria** & **Typhoid** & **Stomach** & **Chest** \\  & **Fever** & **Fever** & **Fever** & **Problems** & **Problems** \\ \hline P\({}_{1}\) & \(\langle 0.064,\,0.064\rangle\) & \(\langle 0.343,\,0.343\rangle\) & \(\langle 0.161,\,0.163\rangle\) & \(\langle-\)0.05, 0.07\(\rangle\) & \(\langle-\)0.117, 0.13\(\rangle\) \\ P\({}_{2}\) & \(\langle-\)0.1, 0.152\(\rangle\) & \(\langle-\)0.2, 0.22\(\rangle\) & \(\langle 0.0,\,0.125\rangle\) & \(\langle 0.27,\textbf{0.27}\rangle\) & \(\langle-\)0.4, 0.42\(\rangle\) \\ P\({}_{3}\) & \(\langle 0.063,\,0.065\rangle\) & \(\langle 0.342,\,0.344\rangle\) & \(\langle 0.215,\,0.217\rangle\) & \(\langle-\)0.055, 0.07\(\rangle\) & \(\langle-\)0.12, 0.13\(\rangle\) \\ P\({}_{4}\) & \(\langle 0.064,\,0.064\rangle\) & \(\langle 0.343,\,0.343\rangle\) & \(\langle 0.098,\,0.15\rangle\) & \(\langle-\)0.02, 0.1\(\rangle\) & \(\langle-\)0.05, 0.07\(\rangle\) \\ \hline \hline \end{tabular}  
* Patient P\({}_{1}\) suffered from malaria fever with score (0.343); patient P\({}_{2}\) suffered from stomach problems with score (0.27); patient P\({}_{3}\) suffered from malaria fever with score (0.342); patient P\({}_{4}\) suffered from malaria fever with score (0.343).  
\end{table} 
Table 59: Score and Accuracy (Aggregation: Harmonic Mean). \begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**Patient\textbackslash{}** & **Viral** & **Malaria** & **Typhoid** & **Stomach** & **Chest** \\
**Diseasee** & **Fever** & **Fever** & **Fever** & **Problems** & **Problems** \\ \hline P\({}_{1}\) & 0.3304 & **0.6322** & 0.4511 & \(-\)0.2096 & \(-\)0.3689 \\ P\({}_{2}\) & \(-\)0.2091 & \(-\)0.4086 & 0.0309 & **0.5716** & \(-\)0.5671 \\ P\({}_{3}\) & 0.2904 & **0.5922** & 0.4913 & \(-\)0.2096 & \(-\)0.3092 \\ P\({}_{4}\) & 0.3304 & **0.6322** & 0.1909 & \(-\)0.0694 & \(-\)0.1495 \\ \hline \hline \end{tabular} Patient P\({}_{1}\) suffered from malaria fever with relation value (0.6322); patient P\({}_{2}\) suffered from stomach problems with relation value (0.5716); patient P\({}_{3}\) suffered from malaria fever with relation value (0.5222); patient P\({}_{4}\) suffered from malaria fever with relation value (0.6322).  
\end{table} 
Table 66: Final decision with RV\({}_{2}\) (Aggregation: I—OWA).