Various Severe or Non-severe group Severe or Non-severe group Severe or Non-severe group χ2 P
Yes (%) No(%)
Co-infection
Yes 2 (33.3) 3 (66.7)
No 0 (0.0) 16 (100.0) 5.867 0.065*
Rat’ Exposure
Yes 6 (100.0) 0 (0.0)
No 7 (43.8) 9 (56.3) 5.712 0.024
Muscle and Joint Pain
Yes 6 (100.0) 0 (0.0)
No 2 (12.5) 14 (87.5) 14.438 0.000**
Weight Loss
Yes 6 (100.0) 0 (0.0)
No 2 (12.5) 14 (87.5) 14.438 0.00**
Pharyngeal Hyperaemia
Yes 6 (100.0) 0 (0.0)
No 1 (6.3) 15 (93.8) 17.679 0.000**
Conjunctival Congestion
Yes 6 (100.0) 0 (0.0)
No 2 (12.5) 14 (87.5) 14.438 0.000**
WBC
Abnormal 6 (100.0) 0 (0.0)
Normal 4 (25.0) 12 (75.0) 9.900 0.003**
Urine Protein
Positive 6 (100.0) 0 (0.0)
Negative 4 (25.0) 12 (75.0) 9.900 0.003**
IGM
Positive 6 (100.0) 0 (0.0)
Negative 3 (18.8) 13 (81.3) 11.917 0.001**