Differences in demographic and ocular measurements between subjects with and without plateau iris configuration (PIC) among American Caucasian, American Chinese and mainland Chinese
| American Caucasian (111) | American Chinese (116) | Mainland Chinese (110) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Non-PIC | PIC | p Value | Non-PIC | PIC | p Value | Non-PIC | PIC | p Value | |
| Age (year) | 60.4±11.3 | 58.1±12.6 | 0.37 | 59.01±12.1 | 62.14±12.7 | 0.24 | 59.7±11.9 | 58.4±11.1 | 0.64 |
| Gender (female, %) | 45.7 | 42.8 | 0.83 | 52.2 | 50.0 | 1.0 | 54.0 | 56.5 | 1.0 |
| SE (D) | −1.88±2.5 | −0.28±1.7 | <0.0001 | −1.82±2.7 | 0.12±1.7 | <0.0001 | −0.20±2.04 | 0.72±1.2 | 0.007 |
| ACD (mm) | 3.46±0.3 | 3.22±0.3 | 0.01 | 3.23±0.4 | 3.20±0.5 | 0.74 | 2.95±0.4 | 2.88±0.3 | 0.38 |
| LT (mm) | 4.46±0.4 | 4.62±0.4 | 0.07 | 4.46±0.4 | 4.61±0.6 | 0.14 | 4.68±0.4 | 4.72±0.3 | 0.62 |
| AL (mm) | 24.56±1.3 | 23.26±2.2 | <0.0001 | 24.45±2.0 | 23.34±1.0 | 0.007 | 23.41±0.9 | 23.30±0.9 | 0.61 |
| IOP (mm Hg) | 14.12±3.4 | 12.42±2.7 | 0.09 | 14.09±2.8 | 13.16±3.0 | 0.14 | 15.82±2.7 | 17.04±2.9 | 0.06 |
| CCT (mm) | 554.12±44.9 | 560.71±37.0 | 0.49 | 548.95±31.8 | 538.75±32.0 | 0.14 | 543.31±38.8 | 538.50±28.9 | 0.59 |
| Narrow angle, % | 15.6 | 39.2 | 0.02 | 30.6 | 50.0 | 0.07 | 27.5 | 17.3 | 0.42 |
Data are present as mean±SD.
Independent-samples t test of age.
Fisher's Exact χ2 test of gender and angle of anterior chamber.
Numbers in italic style indicate statistical significance (p<0.05).
ACD, anterior chamber depth, mm; AL, axial length, mm; CCT, central corneal thickness, mm; IOP, intraocular pressure, mm Hg; LT, lens thickness, mm; SE, spherical equivalent, D.