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Table 1 Association of CHIKV infection with characteristics of participants, from Sistan and Baluchistan province, southeastern Iran, 2017–2018

From: Imported cases of Chikungunya virus in Iran

VariablesChik. Neg. (n = 119) (%)Chik. Pos. (n = 40) (%)p-value
Gender
 Female57 (73.1)21 (26.9)0.584
 Male62 (76.5)19 (23.5)
Age (Mean ± SD)31.7 ± 15.341.5 ± 16.30.001
Epidemiological History
 Abroad travelling history, N (%)21 (17.6)40 (100)< 0.001
 Travel Duration (day) (Mean ± SD)15.7 ± 16.726.83 ± 39.30.218
Country with a travel history
 Afghanistan2 (1.7)0 (0)0.230
 Malaysia1 (0.8)0 (0)0.426
 Pakistan18 (15)40 (100)0.001
City of residence
 Chabahar7 (5.9)4 (10)0.367
 Iranshahr14 (11.7)2 (5)0.224
 Konarak3 (2.5)0 (0)0.313
 Mirjaveh2 (1.7)0 (0)0.411
 Qasr-e Qand1 (0.8)0 (0)0.562
 Rask1 (0.8)0 (0)0.562
 Saravan4 (3.4)0 (0)0.242
 Sarbaz50 (42)26 (65)0.010
 Zabol1 (0.8)0 (0)0.562
 Zahedan36 (30.2)8(20)0.220
Villager57 (47.9)19 (47.5)0.451
Season of Symptom Onset
 Spring34 (28.6)19 (47.5)0.042
 Summer48 (40.3)8 (20)
 Fall17 (14.3)0 (0)
 Winter7 (5.9)2 (5)
Mosquito bite30 (25.2)8 (20)0.096
Clinical signs
 Chill1 (0.8)7 (17.5)< 0.001
 Myalgia40 (33.6)20 (50)0.321
 Rash5 (4.2)2 (5)0.646
 Headache34 (28.6)11 (27.5)0.020
 Conjunctivitis11 (9.2)2 (5)0.064
 Retro orbital pain14 (11.7)3 (7.5)0.078
 Stomachache10 (8.4)3 (7.5)0.426
 Nausea18 (15.1)7 (17.5)0.658
 Vomiting17 (14.3)7 (17.5)0.679
 Diarrhea12 (10)7 (17.5)0.608
Laboratory findings
 Leukopenia9 (7.5)2 (5)0.191
 Platelet count(Mean ± SD)134,486 ± 113,962131,730 ± 126,9480.958
 WBC count(Mean ± SD)9940 ± 17204980 ± 140)0.353