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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%)