Table 2.
Binary logistic regression to assess characteristics associated with true urgency.
| Numbers | OR (95% CI) | p | ||
|---|---|---|---|---|
| E + Semi-E (n = 1,325) | Non-E (n = 582) | |||
| Gender | ||||
| Male | 878 | 287 | 2.019 (1.656–2.462) | <0.001 |
| Age (years) | ||||
| <20 (Ref) | 177 | 72 | 1.0 | – |
| 20–29 | 221 | 89 | 1.010 (0.699–1.460) | 0.957 |
| 30–39 | 263 | 121 | 0.884 (0.624–1.253) | 0.489 |
| 40–49 | 241 | 107 | 0.916 (0.642–1.308) | 0.630 |
| 50–59 | 258 | 108 | 0.972 (0.682–1.385) | 0.874 |
| 60 or older | 165 | 85 | 0.790 (0.541–1.153) | 0.222 |
| Unilateral eye involvement | ||||
| Yes | 1,258 | 502 | 2.992 (2.128–4.207) | <0.001 |
| Symptoms | ||||
| Red eye | 883 | 447 | 0.603 (0.482–0.755) | <0.001 |
| Eye pain | 829 | 181 | 3.703 (3.008–4.558) | <0.001 |
| Ocular trauma | 841 | 0 | a | <0.001 |
| Tearing | 680 | 152 | 2.985 (2.410–3.690) | <0.001 |
| Blurred vision | 761 | 60 | 11.739 (8.797–15.665) | <0.001 |
| Photophobia | 558 | 76 | 4.844 (3.717–6.329) | <0.001 |
| Increased eye secretion | 66 | 141 | 0.164 (0.120–0.224) | <0.001 |
| Foreign body sensation | 141 | 55 | 1.141 (0.120–0.224) | 0.430 |
| Itching eye | 17 | 137 | 0.042 (0.025–0.071) | <0.001 |
| Floats | 149 | 0 | a | <0.001 |
| Visual field defect | 135 | 0 | a | <0.001 |
| Swollen and painful eyelid | 10 | 85 | 0.044 (0.023–0.086) | <0.001 |
| Flashes | 39 | 0 | a | <0.001 |
aBecause there was a frequency data of 0 in the cell, Fisher’s exact test was used. OR, odds ratio; Ref, reference.