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Table 2 Descriptive statistics for data on the 208 confirmed encephalitis patients

From: Potential risk factors associated with human encephalitis: application of canonical correlation analysis

Variables Present Absent Missing
Exposure Variables and Demographic    
   Sex (male) 113 (54.3%) 95 (45.7%) 0 (0%)
   Age (≤ 10) 55 (26.4%) 146 (70.2%) 7 (3.4%)
   Animal Contact 101 (48.6%) 95 (45.7%) 12 (5.8%)
   Tick Bite 7 (3.4%) 188(90.4%) 13 (6.3%)
   Mosquito Bite 13 (6.3%) 182 (87.5%) 13 (6.3%)
   Insect Bite 14(6.7%) 179 (86.1%) 15 (7.2%)
   Immunization 14 (6.7%) 182 (87.5%) 12 (5.8%)
   Recent Infection 78 (37.5%) 113 (54.3%) 17 (8.2%)
   Travel Abroad 27 (13%) 174 (83.7%) 7 (3.4%)
   Travel UK 31 (14.9%) 164 (78.8%) 13 (6.3%)
   Raw Fish 7 (3.4%) 184(88.5%) 17 (8.2%)
   Untreated Water 6 (2.9%) 185 (88.9%) 17 (8.2%)
   Water Exposure 38 (12.3%) 157 (75.5%) 13 (6.3%)
   Head Trauma 23 (11.1%) 173 (83.2%) 12 (5.8%)
   Sick Person Contact 54 (26%) 136(65.4%) 18 (8.7%)
Symptom and Diagnostic Variables    
   Abnormal CT 51(24.5%) 123 (59.1%) 34 (16.3%)
   Abnormal MRI 102 (49%) 69 (33.2%) 37 (17.8%)
   Abnormal EEG 100 (48.1%) 20 (9.6%) 88(42.3%)
   Abnormal Glucose 46(22.1%) 84 (40.4%) 78 (37.5%)
   Abnormal Protein 124 (59.6%) 71 (34.1%) 13 (6.3%)
   Abnormal WCC 160 (76.9%) 42 (20.2%) 6 (2.9%)
   Lethargy 116 (55.8%) 92(44.2%) 0 (0%)
   Irritability 77(37%) 131 (63%) 0 (0%)
   PB Change 133 (63.9%) 75 (36.1%) 0 (0%)
   Seizure 105(50.5%) 103(49.5%) 0 (0%)
   Stiff Neck 46 (22.1%) 162(77.9%) 0 (0%)
   Headache 125 (60.1%) 83(39.9%) 0 (0%)
   Fever 162 (77.9%) 46(22.1%) 0 (0%)
   Focal-Neurological 76 (36.5%) 132(63.5%) 0 (0%)
   Coma 8 (3.8%) 200(96.2%) 0 (0%)
   Neurological 63 (30.3%) 145 (69.7%) 0 (0%)
   GI Symptoms 103(49.5%) 105(50.5%) 0 (0%)
   Respiratory 42 (20.2%) 166 (79.8%) 0 (0%)
   Confusion 74(35.6%) 134(64.4%) 0 (0%)
   Rash 25 (12%) 183 (88%) 0 (0%)
   Photophobia 16 (7.7%) 192 (92.3%) 0 (0%)
   Urinary 21(10.1%) 187 (89.9%) 0 (0%)
   Hospital Stay (≤ 50 days) 145(69.7%) 60(28.8%) 3(1.4%)
   Duration of illness (≤ 100 days) 167(80.3%) 31(14.9%) 10(4.8%)