Table 1. Mean and s.d. of the four selected features (ACW, IArea, LV, and ACD) for the three subgroups found in the PACG data set.
ACW (mm)a | IArea (mm2)b | LV (μm)c | ACD (mm)c | Age (years) | MD (dB) | PSD (dB) | CDR | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Subgroup 1 (n=89, 42.4%) | 11.52±0.37 | Large | 1.64±0.20 | Large | 609±198 | Small | 2.46±0.18 | Large | 66.56±8.26 | −12.42± 8.42 | 7.55± 3.72 | 0.78± 0.14 |
Subgroup 2 (n=24, 11.4%) | 11.38±0.49 | — | 1.46±0.25 | Small | 1354±173 | Large | 1.65±0.15 | Small | 68.13±6.11 | −13.7± 9.57 | 6.39± 3.42 | 0.76± 0.10 |
Subgroup 3 (n=97, 46.2%) | 11.28±0.42 | Small | 1.62±0.25 | Large | 925±134 | Medium | 2.01±0.14 | Medium | 69.01±10.46 | −12.56± 9.46 | 6.76±3.67 | 0.77±0.13 |
Abbreviations: ACD, anterior chamber depth; ACW, anterior chamber width; CDR, cup-to-disc ratio; IArea, iris area; LV, lens vault; MD, mean deviation; PSD, pattern s.d.
Subgroups 1 versus 3, P<0.01.
Subgroups 1 versus 2 and subgroups 2 versus 3, P<0.01.
All pair-wise comparisons P<0.01.