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Table 2 Patient demographics and ocular biometric parameters

From: Ocular biometry with swept-source optical coherence tomography-based optical biometer in Japanese patients with EYS-related retinitis pigmentosa: a retrospective study

 

Overall

EYS-related RP

Other RP

P value*

 

44 patients

18 patients

26 patients

 

Age (years), median [IQR]

51.0 [20.0]

49.5 [18.0]

51.0 [29.0]

0.748

Female, n (%)

23 (52.3)

12 (66.7)

11 (42.3)

0.112

 

86 eyes

35 eyes

51 eyes

 

Cataract, n (%)

45 (52.3)

19 (54.3)

26 (51.0)

0.829

PSC, n (%)

13 (15.1)

10 (28.6)

3 (5.9)

0.045*

Biometric parametersa

AL (mm)

24.2 (23.9–24.5)

24.3 (23.8–24.8)

24.1 (23.9–24.4)

0.610

CCT (μm)

526.0 (520.6–531.4)

515.4 (506.9–523.9)

536.6 (529.8–543.4)

 < 0.001*

ACD (mm)

3.05 (2.98–3.13)

3.05 (2.92–3.17)

3.06 (2.98–3.14)

0.861

AQD (mm)

2.53 (2.45–2.60)

2.53 (2.40–2.66)

2.52 (2.44–2.61)

0.922

LT (mm)

4.48 (4.39–4.57)

4.53 (4.38–4.67)

4.44 (4.32–4.55)

0.357

WTW (mm)

12.1 (12.0–12.1)

12.1 (12.0–12.2)

12.0 (11.9–12.1)

0.349

Keratometry

R1 (mm)

7.84 (7.79–7.89)

7.82 (7.74–7.89)

7.87 (7.80–7.93)

0.316

R2 (mm)

7.56 (7.51–7.61)

7.52 (7.43–7.60)

7.61 (7.56–7.66)

0.072

PR1 (mm)

6.99 (6.94–7.04)

6.96 (6.88–7.04)

7.02 (6.96–7.08)

0.208

PR2 (mm)

6.61 (6.56–6.67)

6.55 (6.45–6.65)

6.68 (6.63–6.73)

0.024*

TR1 (mm)

7.83 (7.78–7.88)

7.81 (7.74–7.88)

7.86 (7.80–7.92)

0.331

TR2 (mm)

7.57 (7.52–7.62)

7.52 (7.44–7.61)

7.61 (7.55–7.67)

0.102

Astigmatism

Standard KA (D)

1.59 (1.40–1.78)

1.75 (1.44–2.06)

1.43 (1.22–1.64)

0.093

PCA (D)

-0.33 (-0.37 to -0.29)

-0.37 (-0.42 to -0.31)

-0.29 (-0.34 to -0.25)

0.061

TCA (D)

1.52 (1.33–1.70)

1.65 (1.35–1.96)

1.38 (1.18–1.58)

0.145

  1. Abbreviations: RP, retinitis pigmentosa, IQR, interquartile range, PSC, posterior subcapsular cataract, AL, axial length, CCT, central corneal thickness, ACD, anterior chamber depth, AQD, aqueous depth, LT, lens thickness, WTW, white to white, R1 and R2, standard keratometry corneal curvature radius at the flattest and steepest meridians, respectively, PR1 and PR2, posterior corneal curvatures radius at the flattest and steepest meridian, respectively, TR1 and TR2, total keratometry corneal curvature radius at the flattest and steepest meridians respectively KA, keratometric astigmatism PCA. posterior corneal astigmatism TCA, total corneal astigmatism
  2. *Statistically significant at the P < 0.05 level (generalized estimating equation model)
  3. aEye-level values are represented as the estimated marginal mean (95% confidence interval)