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Table 2 Descriptive statistics for the three vault groups, LVG: ≤ 250 μm, OVG: > 250 and < 1000 μm and HVG: ≥1000 μm

From: Biometric and ICL-related risk factors associated to sub-optimal vaults in eyes implanted with implantable collamer lenses

Parameter All LVG (≤ 250 μm) OVG (250 to 1000 μm) HVG (≥ 1000 μm) Statistical significance
Gender (M/F) 136/224 14/20 99/173 23/31 P > 0.050
ICL size (mm) & number of eyes 12.6 70 (19.4%) 12.6 7 (10.0%) 12.6 58 (82.9%) 12.6 5 (7.1%) P < 0.0001
13.2 218 (60.5%) 13.2 25 (11.5%) 13.2 169 (77.5%) 13.2 24 (11.0%)
13.7 72 (20%) 13.7 2 (2.8%) 13.7 45 (62.5%) 13.7 25 (34.7%)
  Mean ± SD 95%
Percentile
Mean ± SD 95%
Percentile
Mean ± SD 95%
Percentile
Mean ± SD 95%
Percentile
 
Age (years) 32.3 ± 7.6 [22.0, 46.0] 35.8 ± 7.4 [25.6, 48.0] 32.5 ± 7.6 [22.0, 46.0] 29.1 ± 6.9 [20.0, 45.25] P < 0.0001
Vault (μm) 660.9 ± 314.6 [170.5, 1230.0] 162.2 ± 65.2 [0.0, 234.0] 619.3 ± 191.9 [310.0, 928.0] 1200.0 ± 161.3 [1000.0, 1580.0] P < 0.0001
WTW (mm) 11.90 ± 0.45 [11.20, 12.60] 11.89 ± 0.41 [11.26, 12.60] 11.84 ± 0.45 [11.10,12.60] 12.02 ± 0.42 [11.30, 12.73] P > 0.050
ATA (mm) 12.20 ± 0.46 [11.46, 12.96] 12.30 ± 0.46 [11.37, 12.96] 12.21 ± 0.46 [11.47, 12.97] 12.17 ± 0.46 [11.29, 12.89] P > 0.050
CCT (μm) 535.2 ± 39.8 [470.0, 610.0] 538.9 ± 39.9 [470.0, 614.0] 534.3 ± 41.0 [470.0, 610.0] 44.17 ± 33.50 [477.5, 595.0] P > 0.050
ACD (mm) 3.29 ± 0.26 [2.88, 3.82] 3.13 ± 0.24 [2.80, 3.55] 3.29 ± 0.25 [2.89, 3.78] 3.42 ± 0.29 [2.90, 3.96] P < 0.0001
CLR (μm) 106.6 ± 209.9 [−240.0, +449.0] 299.7 ± 223.5 [−112.0, +840.0] 95.6 ± 198.8 [−258.0, +418.0] 30.4 ± 178.6 [−225.0, +360.0] P < 0.0001
Kc (D) 43.9 ± 1.7 [40.22, 46.87] 43.9 ± 2.3 [40.2, 46.9] 44.2 ± 1.6 [41.3, 46.4] 44.2 ± 1.9 [40.9, 47.6] P > 0.050
ACA (deg) 41.7 ± 8.1 [29.37, 56.23] 41.0 ± 7.2 [28.4, 56.0] 42.2 ± 8.3 [29.2, 56.5] 42.2 ± 7.8 [29.4, 55.9] P > 0.050
ICLSE (DS) −10.9 ± 3.3 [−17.97, −16.23] −9.45 ± 1.87 [−13.60, −6.30] −11.4 ± 3.36 [−17.50, −7.90] −11.45 ± 3.64 [−18.00, −6.06] P = 0.015
ICL size-WTW (mm) 1.30 ± 0.34 [0.80, 1.80] 1.21 ± 0.30 [0.76, 1.74] 1.30 ± 0.35 [0.80, 1.80] 1.37 ± 0.30 [0.85, 1.80] P > 0.050
ICL size-ATA (mm) 0.96 ± 0.34 [0.39, 1.49] 0.79 ± 0.37 [0.24, 1.51] 0.93 ± 0.33 [0.39, 1.45] 1.22 ± 0.27 [0.66, 1.66] P < 0.0001
  1. LVG low vault group; OVG optimal vault group; HVG high vault group; ICL implantable collamer lens; WTW white-to-white (horizontal visible iris diameter); ATA horizontal anterior-chamber angle-to-angle distance; CCT central corneal thickness; ACD internal anterior chamber depth; CLR crystalline lens rise; Kc central keratometry; ACA anterior-chamber angle; ICLSE implantable collamer lens spherical equivalent; DS diopter sphere. The mean and standard deviation (SD) are represented together with the 95th percentile