Table 2 Strength of connections among concepts and the numerical weights produced by applying FL
Edge | Feedback from Experts | |||||||
|---|---|---|---|---|---|---|---|---|
Start concept | End concept | Type of impact | Fuzzy sets | Expert 1 | Expert 2 | Expert 3 | Expert 4 | Defuzzified value |
Male Sex | Meningitis | Positive | W,M,S | M | M | M | M | 0.5 |
Cellulitis ∖infective focus | Meningitis | Positive | W,M,S | S | S | S | S | 0.808 |
Immuno-compromised child | Meningitis | Positive | W,M,S | S | S | S | S | 0.808 |
Splenectomy | Meningitis | Positive | W,M,S | M | S | S | S | 0.73 |
Bulging fontanel | Meningitis | Positive | VW,W, M,S,VS | VS | VS | VS | VS | 0.887 |
Brudzinski’s sign | Meningitis | Positive | VW,W, M,S,VS | VS | S | VS | VS | 0.81 |
Fever | Meningitis | Positive | VW,W, M,S,VS | S | S | M | M | 0.562 |
Vomiting | Meningitis | Positive | VW,W, M,S,VS | S | S | M | M | 0.562 |
Black race | Meningitis | Positive | W,M,S | M | S | S | M | 0.658 |
Irritability | Meningitis | Positive | VW,W, M,S,VS | VS | S | S | S | 0.711 |
High economic ∖hygienic status | Meningitis | Negative | VW,W, M,S,VS | W | W | W | W | -0.225 |
Hib ∖Pneumococcal vaccine | Meningitis | Negative | VW,W, M,S,VS | W | W | W | W | -0.155 |
Good nutritional status | Meningitis | Negative | VW,W, M,S,VS | VW | W | W | VW | -0.196 |
Kernig sign | Meningitis | Positive | VW,W, M,S,VS | VS | VS | VS | VS | 0.887 |
CSF study abnormal | Meningitis | Positive | VW,W, M,S,VS | VS | VS | VS | VS | 0.887 |
Head trauma | Meningitis | Positive | VW,W, M,S,VS | S | S | W | S | 0.61 |
Photophobia | Meningitis | Positive | W, M,S | S | S | S | M | 0.73 |
Stiff neck | Meningitis | Positive | VW,W, M,S,VS | S | VS | VS | VS | 0.81 |
Seizures | Meningitis | Positive | W,M,S | S | S | S | S | 0.808 |
Immuno-compromised child | Cellulitis ∖infective focus | Positive | VW,W, M,S,VS | VS | VS | VS | VS | 0.887 |
High economic ∖Hygienic status | Hib ∖Pneumo- coccal vaccine | Positive | VW,W, M,S,VS | VS | VS | S | VS | 0.81 |
High economic ∖hygienic status | Good nutritional status | Positive | VW,W, M,S,VS | VS | VS | VS | S | 0.81 |