Table 2.
Parameter | Change-point | Measurement ≤ Change point | Measurement > Change point | ||||||
---|---|---|---|---|---|---|---|---|---|
Rho | P value | Eyes (N) | PACD (N) | Rho | P value | Eyes (N) | PACD (N) | ||
AOD500 | 0.131 mm | −0.712 | < 0.001 | 238 | 218 | −0.502 | < 0.001 | 429 | 119 |
AOD750 | 0.160 mm | −0.607 | < 0.001 | 178 | 169 | −0.409 | < 0.001 | 489 | 168 |
TISA500 | 0.048 mm2 | −0.728 | < 0.001 | 154 | 142 | −0.681 | < 0.001 | 513 | 195 |
TISA750 | 0.103 mm2 | −0.677 | < 0.001 | 239 | 219 | −0.494 | < 0.001 | 428 | 118 |
SSA500 | 14.181° | −0.722 | < 0.001 | 228 | 208 | −0.655 | < 0.001 | 439 | 129 |
SSA750 | 13.376° | −0.621 | < 0.001 | 228 | 216 | −0.555 | < 0.001 | 439 | 121 |
AOD = angle opening distance; TISA = trabecular iris space area; SSA = scleral spur angle. 500 or 750 denotes distance in μm from the scleral spur.
Boldface values indicate statistical significance of Spearman correlation coefficient at P < 0.05.