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 |