Table 2. Symptoms by PCR test result in pregnant women with suspected Zika virus infection with available clinical data, Dominican Republic, 2016–2017.
| Symptom | No. (%) women, n = 911 | No. (%) PCR positive, n = 225 | No. (%) PCR negative, n = 290 | No. (%) not tested or sample discarded, n = 396 | p value* |
|---|---|---|---|---|---|
| Rash | |||||
| Yes | 799 (87.7) | 205 (91.1) | 252 (86.9) | 342 (86.4) | 0.13 |
| No |
112 (12.3) |
20 (8.9) |
38 (13.1) |
54 (13.6) |
|
| Fever | |||||
| Yes | 338 (37.1) | 88 (39.1) | 120 (41.4) | 130 (32.8) | 0.60 |
| No |
573 (62.9) |
137 (60.9) |
170 (58.6) |
266 (67.2) |
|
| Headache | |||||
| Yes | 317 (34.8) | 74 (32.9) | 99 (34.1) | 144 (36.4) | 0.77 |
| No |
594 (65.2) |
151 (67.1) |
191 (65.9) |
252 (63.6) |
|
| Myalgia | |||||
| Yes | 189 (20.8) | 46 (20.4) | 64 (22.1) | 79 (20.0) | 0.66 |
| No |
722 (79.2) |
179 (79.6) |
226 (77.9) |
317 (80.0) |
|
| Arthralgia/arthritis | |||||
| Yes | 449 (49.3) | 108 (48.0) | 147 (50.7) | 194 (49.0) | 0.54 |
| No |
462 (50.7) |
117 (52.0) |
143 (49.3) |
202 (51.0) |
|
| Conjunctivitis | |||||
| Yes | 292 (32.1) | 65 (28.9) | 110 (37.9) | 117 (29.6) | 0.03 |
| No |
619 (67.9) |
160 (71.1) |
180 (62.1) |
279 (70.4) |
|
| Nausea/vomiting | |||||
| Yes | 57 (6.3) | 16 (7.1) | 23 (7.9) | 18 (4.6) | 0.73 |
| No |
854 (93.7) |
209 (92.9) |
267 (92.1) |
378 (95.4) |
|
| Cough | |||||
| Yes | 8 (0.9) | 1 (0.4) | 6 (2.1) | 1 (0.2) | 0.14 |
| No | 903 (99.1) | 224 (99.6) | 284 (97.9) | 395 (99.8) |
*χ2 and Fisher exact test p value for the comparison of PCR positive with PCR negative.