Table 3. Comparison between subgroups based on different absolute ΔCCT cutoffs.
|
Cutoff 10 μm (336/458 patients) |
Cutoff 15 μm (189/605 patients) |
Cutoff 20 μm (128/666 patients) |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | P-value | Mean | SD | P-value | Mean | SD | P-value | |
| Age (year) | |||||||||
| > | 66.33 | 12.16 | 66.50 | 12.00 | 67.40 | 11.81 | |||
| < | 64.85 | 13.25 | NS | 65.19 | 13.03 | NS | 65.15 | 12.94 | NS |
| Right IOP (mm Hg) | |||||||||
| > | 16.05 | 3.27 | 15.60 | 3.19 | 15.44 | 3.01 | |||
| < | 16.25 | 3.75 | NS | 16.34 | 3.64 | NS | 16.30 | 3.63 | NS |
| Left IOP (mm Hg) | |||||||||
| > | 16.25 | 3.25 | 15.81 | 3.43 | 15.81 | 3.56 | |||
| < | 16.31 | 3.35 | NS | 16.43 | 3.26 | NS | 16.37 | 3.25 | NS |
| ΔIOP (mm Hg) | |||||||||
| > | −0.19 | 2.60 | −0.21 | 2.57 | −0.38 | 2.53 | |||
| < | −0.06 | 2.21 | NS | −0.09 | 2.32 | NS | −0.07 | 2.35 | NS |
| Absolute ΔIOP (mm Hg) | |||||||||
| > | 1.64 | 2.02 | 1.66 | 1.97 | 1.62 | 1.97 | |||
| < | 1.29 | 1.80 | NS | 1.37 | 1.87 | NS | 1.40 | 1.89 | NS |
| Right CDR | |||||||||
| > | 0.56 | 0.21 | 0.57 | 0.21 | 0.58 | 0.22 | |||
| < | 0.55 | 0.20 | NS | 0.55 | 0.20 | NS | 0.55 | 0.20 | NS |
| Left CDR | |||||||||
| > | 0.58 | 0.21 | 0.60 | 0.21 | 0.59 | 0.22 | |||
| < | 0.55 | 0.20 | NS | 0.55 | 0.20 | NS | 0.56 | 0.20 | NS |
| ΔCDR | |||||||||
| > | −0.02 | 0.16 | −0.02 | 0.18 | −0.02 | 0.18 | |||
| < | 0.00 | 0.13 | NS | 0.00 | 0.13 | NS | −0.01 | 0.14 | NS |
| Absolute ΔCDR | |||||||||
| > | 0.10 | 0.13 | 0.11 | 0.14 | 0.11 | 0.14 | |||
| < | 0.08 | 0.11 | NS | 0.08 | 0.11 | P<0.001 | 0.08 | 0.11 | <0.001 |
| Right CCT (μm) | |||||||||
| > | 546.16 | 39.18 | 546.45 | 40.94 | 546.36 | 43.89 | |||
| < | 545.32 | 33.18 | NS | 545.43 | 34.10 | NS | 545.54 | 34.09 | NS |
| Left CCT (μm) | |||||||||
| > | 548.55 | 39.56 | 549.69 | 40.90 | 550.95 | 43.20 | |||
| < | 545.67 | 33.30 | NS | 546.01 | 34.44 | NS | 546.11 | 34.54 | NS |
| Right MD (dB) | |||||||||
| > | −5.95 | 7.17 | −6.91 | 7.72 | −7.47 | 8.35 | |||
| < | −4.70 | 5.68 | <0.001 | −4.70 | 5.81 | <0.001 | −4.80 | 5.84 | <0.001 |
| Left MD (dB) | |||||||||
| > | −6.37 | 7.67 | −7.11 | 8.17 | −7.02 | 8.73 | |||
| < | −4.64 | 5.54 | <0.001 | −4.83 | 5.90 | <0.001 | −5.06 | 6.04 | <0.001 |
| ΔMD (dB) | |||||||||
| > | 0.42 | 8.27 | 0.19 | 9.47 | −0.45 | 9.83 | |||
| < | −0.06 | 4.12 | NS | 0.13 | 4.78 | NS | 0.26 | 5.25 | NS |
| Absolute ΔMD (dB) | |||||||||
| > | 5.22 | 6.42 | 6.32 | 7.05 | 6.58 | 7.30 | |||
| < | 2.58 | 3.21 | <0.001 | 2.88 | 3.82 | <0.001 | 3.14 | 4.22 | <0.001 |
| Right PSD | |||||||||
| > | 4.90 | 3.93 | 5.39 | 4.22 | 5.55 | 4.44 | |||
| < | 4.26 | 3.34 | NS | 4.26 | 3.36 | <0.001 | 4.33 | 3.40 | <0.001 |
| Left PSD | |||||||||
| > | 4.81 | 3.81 | 5.25 | 4.10 | 5.04 | 4.20 | |||
| < | 4.25 | 3.22 | NS | 4.25 | 3.24 | <0.001 | 4.38 | 3.33 | <0.001 |
| ΔPSD | |||||||||
| > | 0.09 | 4.83 | 0.14 | 5.42 | 0.51 | 5.60 | |||
| < | 0.01 | 2.85 | NS | 0.01 | 3.15 | NS | −0.05 | 3.36 | NS |
| Absolute ΔPSD | |||||||||
| > | 3.28 | 3.54 | 3.78 | 3.88 | 3.92 | 4.01 | |||
| < | 1.83 | 2.18 | <0.001 | 2.03 | 2.41 | <0.001 | 2.16 | 2.57 | <0.001 |
Abbreviations: CCT, central corneal thickness; CDR, cup/disc area ratio; Δ, difference; IOP, intraocular pressure; MD, mean deviation; PSD, pattern SD.