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Table 1 Preoperative and Postoperative Measurements in Training and Validation Sets

From: Prediction of effective Lens position using anterior segment optical coherence tomography in Chinese subjects with angle closure

 

Training Set (N = 85) Mean (SD)

Validation Set (N = 36) Mean (SD)

P value

Measures

 Gender (Female: Male)

71:14

27:9

NA

 Age (year)

69.38 (9.57)

69.47 (9.35)

0.96

 AOD 500 (mm)

0.07 (0.05)

0.08 (0.07)

0.56

 AOD 750 (mm)

0.12 (0.07)

0.13 (0.10)

0.76

 TISA 500 (mm)

0.03 (0.02)

0.03 (0.02)

0.55

 TISA 750 (mm)

0.05 (0.04)

0.06 (0.04)

0.57

 SSA (degree)

7.78 (5.58)

8.43 (7.07)

0.60

 Pre-ACD (mm)

1.79 (0.30)

1.75 (0.31)

0.49

 Post-ACD (mm)

3.49 (0.27)

3.45 (0.27)

0.44

 Preoperative SSD (mm)

2.87 (0.22)

2.82 (0.22)

0.20

 Postoperative SSD (mm)

2.94 (0.30)

2.88 (0.22)

0.23

 Preoperative SSW (mm)

11.19 (0.39)

11.14 (0.37)

0.49

 Postoperative SSW (mm)

11.19 (0.39)

11.13 (0.44)

0.44

 Preoperative CT (mm)

0.54 (0.05)

0.54 (0.05)

0.36

 Postoperative CT (mm)

0.55 (0.06)

0.55 (0.05)

0.44

 LV (mm)

1.09 (0.30)

1.05 (0.36)

0.54

 AL (mm)

22.31 (0.85)

22.21 (0.94)

0.52

 K (diopters)

44.64 (1.60)

44.62 (1.76)

0.94

 IOL Thickness (mm)

0.90 (0.14)

0.89 (0.11)

0.63

 Measured ELP (mm)

4.48 (0.25)

4.43 (0.26)

0.36

  1. AL Axial length, AOD Angle opening distance, CT Corneal thickness, ELP Effective lens position, IOL Intraocular lens, LV Lens vault, NA Not available, post-ACD Postoperative anterior chamber depth, pre-ACD Preoperative anterior chamber depth, SD Standard deviation, SSA Scleral spur angle, SSD Scleral spur distance, SSW Scleral spur width, TISA Trabecular iris surface area
  2. Significant difference is noted at P < 0.05