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Table 3 Dengue virus infection in relation to clinical features in febrile patient in Arbaminch Districts in southern Ethiopia, 2016

From: Seropositivity to dengue and associated risk factors among non-malarias acute febrile patients in Arba Minch districts, southern Ethiopia

Variables Total N(%) IgG test n (%) IgM test n (%) COR (95% CI)
IgG + Ve IgG -Ve IgM + Ve IgM -Ve IgG test IgM test
Head signs (scalp lesion)
 Yes 17 (3.2) 4 (0.8) 13 (2.4) 0 (0) 17 (3.2) 1 1
 No 512 (96.8) 129 (24.4) 383 (72.4) 42 (8.0) 470 (88.9) 1.1 (0.4–3.4) 0.92 (2.9)
Neck signs (neck stiffness)
 Yes 20 (3.8) 3 (0.6) 17 (3.2) 1 (0.2) 19 (3.6) 1 1
 No 509 (96.2) 130 (24.6) 379 (71.6) 41 (7.8) 468 (88.5) 0.9 (0.2–3.4) 1.2 (0.2–9.3)
Eye symptoms (blurred vision)
 Yes 61 (11.5) 4 (0.8) 57 (10.7) 2 (0.4) 59 (11.2) 1 1
 No 468 (88.5) 129 (24.4) 339 (64.1) 40 (7.6) 428 (80.9) 1.5 (0.5–4.6) 0.5 (0.1–4.1)
Ear symptoms (hearing loss)
 Yes 9 (1.7) 1 (0.2) 8 (1.5) 0 (0) 9 (1.7) 1 1
 No 520 (98.3) 132 (25.0) 388 (73.3) 42 (7.9) 478 (90.4) 0.2 (0.0–1.9) * 1.0 (0.1–8.2)*
Mouth and Throat (sore throat)
 Yes 59 (11.2) 38 (7.2) 21 (4.0) 14 (2.7) 45 (8.5) 1 1
 No 470 (88.8) 95 (18.0) 375 (70.8) 28 (5.3) 442 (83.6) 0.9 (0.5–1.3) 0.7 (0.4–1.3)
Nose sign (nose bleeding)
 Yes 25 (4.7) 9 (1.7) 16 (3.0) 3 (0.6) 22 (4.2) 1 1
 No 504 (95.3) 124 (23.4) 380 (71.9) 39 (7.4) 465 (87.9) 1.2 (0.5–2.6) 2.8 (0.4–20.9)
Chest exam signs (crepitation)
 Yes 29 (5.5) 19 (3.6) 10 (1.9) 8 (1.5) 21 (4.0) 1 1
 No 500 (94.5) 114 (21.6) 386 (72.9) 34 (6.4) 466 (88.1) 0.7 (0.1–6.7) 0.6 (0.3–1.4)
Cardiovascular signs (abnormal heart sound)
 Yes 30 (5.7) 8 (1.5) 22 (4.2) 2 (0.4) 28 (5.3) 1 1
 No 499 (94.3) 125 (23.6) 374 (70.7) 40 (7.6) 459 (86.8) 1.1 (0.5–2.5) 1.1 (0.2–1.1)
Abdominal signs (enlarged liver)
 Yes 43 (8.1) 10 (1.9) 33 (6.2) 3 (0.6) 40 (7.56) 1 1
 No 486 (91.9) 123 (23.3) 363 (68.6) 39 (7.4) 447 (84.5) 1.3 (0.6–2.7) 0.8 (0.2–2.6)
Urination symptoms (flank pain)
 Yes 43 (8.1) 10 (1.9) 33 (6.2) 4 (0.8) 39 (7.4) 1 1
 No 486 (91.9) 123 (23.3) 363 (68.6) 38 (7.2) 448 (84.7) 1.3 (0.6–2.7) 0.6 (0.2–1.9)
Musculoskeletal Signs (tenderness)
 Yes 15 (2.8) 3 (0.6) 12 (2.2) 1 (0.2) 14 (2.7) 1 1
 No 514 (97.2) 130 (24.6) 384 (72.6) 41 (7.8) 473 (89.4) 0.7 (0.2–2.7) 1.2 (0.2–9.5)
Dermatological Signs (rash)
 Yes 16 (3.0) 6 (1.1) 10 (1.9) 2 (0.4) 14 (2.7) 1 1
 No 513 (97.0) 127 (24.0) 386 (73.0) 40 (7.6) 473 (89.4) 1.8 (0.7–5.1) 0.6 (0.1–2.7)
High body Temperature
 37.5–38 284 (53.7) 63 (11.9) 221 (41.8) 18 (3.4) 266 (50.3) 0.7 (0.5–1.1) * 1.6 (0.9–3.0) *
  > 38 245 (46.3) 70 (13.2) 175 (33.1) 24 (4.5) 221 (41.8) 1 1
Headache
 Yes 441 (83.4) 109 (8.2) 332 (1.4) 11 (2.1) 430 (81.3) 0.9 (0.5–1.5) 0.8 (0.3–2.0)
 No 88 (16.6) 24 (1.8) 64 (14.8) 31 (5.9) 57 (10.8) 1 1
Shortness of breath
 Yes 24 (4.5) 13 (2.5) 11 (2.0) 3 (0.6) 21 (4.0) 1 1
 No 505 (95.5) 120 (22.7) 385 (72.8) 39 (7.4) 466 (88.1) 1.0 (0.40–4.40) 1.0 (0.1–8.2)
Vomiting
 Yes 85 (16.1) 21 (4.0) 64 (12.1) 6 (1.1) 79 (1493) 1 1
 No 444 (83.9) 112 (21.2) 332 (62.7) 36 (6.8) 408 (77.1) 1.0 (0.6–1.7) 1.2 (0.5–2.9)
Diarrhea
 Yes 45 (8.5) 8 (1.5) 37 (7.0) 2 (0.4) 43 (8.1) 1 1
 No 484 (91.5) 125 (23.6) 359 (67.9) 40 (7.6) 444 (83.9) 0.6 (0.28–1.4)* 1.9 (0.5–8.3)*
Constitutional symptoms
 Yes 412 (77.9) 112 (21.2) 300 (56.7) 14 (2.7) 398 (75.2) 1.71 (1.0–2.9)** 1.4 (1.1–2.0)**
 No 117 (22.1) 21 (4.0) 96 (18.1) 26 (4.9) 91 (17.2) 1 1
  1. COR crude odds ratio; CI confidence interval; 1 Reference; * Candidate variable (p < 0.25); ** Significant association (p < 0.05)