Table 1.
Baseline sociodemographic factors and comorbid conditions of scleritis patients and control subjects after propensity score matching by age and sex.
| Scleritis n = 111,960 |
Control n = 111,960 |
p Value | |
|---|---|---|---|
| Sociodemographic Factors | n (%) | n (%) | |
| Age (year; Mean ± SD) | 42.92 ± 15.33 | 42.92 ± 15.33 | 0.9747 a |
| Age (year) | |||
| <25 | 12,080 (10.79) | 12,080 (10.79) | 1.0000 b |
| 25–34 | 26,700 (23.85) | 26,700 (23.85) | |
| 35–44 | 26,776 (23.92) | 26,776 (23.92) | |
| 45–54 | 22,165 (19.80) | 22,165 (19.80) | |
| 55–64 | 13,707 (12.24) | 13,707 (12.24) | |
| ≥65 | 10,532 (9.41) | 10,532 (9.41) | |
| Gender | |||
| Male | 48,317 (43.16) | 48,317 (43.16) | 1.0000 b |
| Female | 63,643 (56.84) | 63,643 (56.84) | |
| Income | |||
| <NT$ 30,000 | 57,986 (51.79) | 63,618 (56.82) | <0.0001 b |
| NT$ 30,000–60,000 | 41,266 (36.86) | 38,203 (34.12) | |
| NT$ 60,000–90,000 | 9458 (8.45) | 7714 (6.89) | |
| NT$ 90,000–120,000 | 1725 (1.54) | 1314 (1.17) | |
| >NT$ 120,000 | 1526 (1.36) | 1111 (0.99) | |
| Geographical region of Taiwan | |||
| Northern | 61,637 (55.05) | 56,835 (50.76) | <0.0001 b |
| Central | 13,787 (12.31) | 21,263 (18.99) | |
| Southern | 28,767 (25.69) | 31,043 (27.73) | |
| Eastern | 7769 (6.94) | 2819 (2.52) | |
| Residential city status | |||
| Metropolis | 79,400 (70.92) | 81,487 (72.78) | <0.0001 b |
| Satellite | 6996 (6.25) | 7657 (6.84) | |
| Rural | 25,564 (22.83) | 22,816 (20.38) | |
| Occupation | |||
| Public servant | 71,669 (64.01) | 66,402 (59.31) | <0.0001 b |
| Farmer | 7423 (6.63) | 11,615 (10.37) | |
| Fisherman | 1585 (1.42) | 2193 (1.96) | |
| Other | 31,283 (27.94) | 31,750 (28.36) | |
| Comorbid conditions | |||
| Post Surgery | |||
| Post-pterygium removal | 2513 (2.24) | 659 (0.59) | <0.0001 b |
| Post-glaucoma surgery | 159 (0.14) | 59 (0.05) | <0.0001 b |
| Post-scleral buckle replacement | 568 (0.51) | 85 (0.08) | <0.0001 b |
| Infection | |||
| Syphilis | 294 (0.26) | 58 (0.05) | <0.0001 b |
| Tuberculosis | 1005 (0.90) | 334 (0.30) | <0.0001 b |
| Human herpesvirus infection | 14,026 (12.53) | 1669 (1.49) | <0.0001 b |
| Systemic Disease | |||
| Sjögren syndrome | 4588 (4.10) | 107 (0.10) | <0.0001 b |
| Rheumatoid arthritis | 3298 (2.95) | 658 (0.59) | <0.0001 b |
| Granulomatous vasculitis | 164 (0.15) | 12 (0.01) | <0.0001 b |
| Systmic lupus erythematosus | 1009 (0.90) | 157 (0.14) | <0.0001 b |
| Ankylosing spondylitis | 3012 (2.69) | 449 (0.40) | <0.0001 b |
| Gout | 11,313 (10.10) | 3952 (3.53) | <0.0001 b |
a Paired t-test; b McNemar’s test; NT$, New Taiwan dollars; SD, standard deviation.