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Table 2 Comparisons of interocular differences in ocular biometric parameters between groups with vs. without aniso-astigmatism

From: The biometric parameters of aniso-astigmatism and its risk factor in Chinese preschool children: the Nanjing eye study

  AL (mm) MCR (mm) AL/CR CCT (mm) ACD (mm) LT (mm)
Mean ± SD P Mean ± SD P Mean ± SD P Mean ± SD P Mean ± SD P Mean ± SD P
Vectorial aniso-TA group (N)   0.001   < 0.001   0.001   0.19   0.01   0.09
 Group A (44) 0.19 ± 0.24   0.12 ± 0.09   0.05 ± 0.05   9.50 ± 17.17   0.09 ± 0.09   0.10 ± 0.10  
 Group B (1087) 0.11 ± 0.14   0.07 ± 0.07   0.03 ± 0.03   7.59 ± 14.27   0.06 ± 0.08   0.07 ± 0.09  
Vectorial aniso-CA group (N)   0.89   < 0.001   < 0.001   0.30   0.79   0.78
 Group C (278) 0.11 ± 0.14   0.11 ± 0.09   0.04 ± 0.04   7.54 ± 14.74   0.06 ± 0.07   0.08 ± 0.09  
 Group D (853) 0.11 ± 0.14   0.06 ± 0.06   0.03 ± 0.03   7.70 ± 14.29   0.06 ± 0.08   0.07 ± 0.10  
Vectorial aniso-RA group (N)   0.48   < 0.001   < 0.001   0.36   0.42   0.87
 Group E (273) 0.12 ± 0.15   0.11 ± 0.09   0.04 ± 0.04   7.95 ± 15.18   0.06 ± 0.07   0.07 ± 0.08  
 Group F (858) 0.11 ± 0.14   0.06 ± 0.06   0.03 ± 0.03   7.57 ± 14.14   0.06 ± 0.08   0.08 ± 0.10  
Non-vectorial aniso-TA group (N)   < 0.001   0.001   < 0.001   0.97   0.81   0.68
 Group G (22) 0.28 ± 0.30   0.13 ± 0.09   0.06 ± 0.06   8.95 ± 17.20   0.06 ± 0.06   0.07 ± 0.09  
 Group H(1109) 0.10 ± 0.14   0.07 ± 0.07   0.03 ± 0.03   7.63 ± 14.34   0.06 ± 0.08   0.07 ± 0.09  
  1. All numbers showed in this table were calculated as absolute values of interocular deviation with a form of mean ± standard deviation
  2. AL axial length, MCR mean corneal curvature radius, CCT central corneal thickness, ACD anterior chamber depth, LT lens thickness, SD standard deviation, N number
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