Table 5. Accuracy of ophthalmic diagnoses by presenting symptoms, n (%) .
| Internet users | Nonusers | p -Value a | All | Total no. of cases | ||
|---|---|---|---|---|---|---|
| Mild eye discomfort | Correct | 2 (25) | 2 (11) | 0.46 | 4 (12) | 33 (23) |
| Incorrect | 3 (38) | 5 (26) | 8 (24) | |||
| No prediction | 3 (38) | 12 (63) | 21 (63) | |||
| Eye pain | Correct | 4 (57) | 8 (26) | 0.25 | 12 (32) | 38 (26) |
| Incorrect | 0 (0) | 3 (10) | 3 (8) | |||
| No prediction | 3 (43) | 20 (65) | 23 (61) | |||
| Eye redness | Correct | 8 (62) | 3 (16) | 0.002 | 11 (34) | 32 (22) |
| Incorrect | 4 (31) | 3 (16) | 7 (22) | |||
| No prediction | 1 (8) | 13 (68) | 14 (44) | |||
| Tearing | Correct | 1 (33) | 1 (17) | 1.00 | 2 (22) | 9 (6) |
| Incorrect | 1 (33) | 1 (17) | 2 (22) | |||
| No prediction | 1 (33) | 4 (67) | 5 (56) | |||
| Visual phenomenon (e.g., flashes, floaters, double vision) | Correct | 3 (27) | 0 (0) | 0.27 | 3 (16) | 19 (13) |
| Incorrect | 3 (27) | 1 (13) | 4 (21) | |||
| No prediction | 5 (45) | 7 (88) | 12 (63) | |||
| Decrease in vision | Correct | 4 (33) | 3 (11) | 0.28 | 7 (18) | 39 (27) |
| Incorrect | 1 (8) | 3 (11) | 4 (10) | |||
| No prediction | 7 (58) | 21 (78) | 28 (72) | |||
| Morphological change in eye (e.g., corneal defect, chemosis) | Correct | 0 (0) | 0 (0) | 0.25 | 0 (0) | 4 (3) |
| Incorrect | 1 (100) | 0 (0) | 1 (25) | |||
| No prediction | 0 (0) | 3 (100) | 3 (75) | |||
| Related to orbit | Correct | 5 (83) | 2 (18) | 0.002 | 7 (41) | 17 (12) |
| Incorrect | 1 (17) | 0 (0) | 1 (6) | |||
| No prediction | 0 (0) | 9 (82) | 9 (53) | |||
Note: “No prediction” indicates participants who did not provide self-diagnoses and instead selected the “I do not know” response.
a
Two-sided p -values with α level 0.05 for Internet users versus nonusers using Fisher's exact tests. Bolded p -values are significant.