Table 6 Univariable and multivariable-adjusted logistic regression analyses of choroidal thickness in relation to the ordinal outcome of PVD stages (stage 2 or 3 or 4 vs. 1) stratified by sex‡.

From: Relationship of choroidal thickness and axial length with posterior vitreous detachment in patients with high myopia

 

Univariable OR (95% CI)

P value

Age-adjusted OR (95% CI)*

P value

Multivariable-adjusted OR (95% CI)†

P value

Men (n = 94)

Choroidal thickness

 C1 (n = 41)

1.0 (ref)

Ptrend = 0.48

1.0 (ref)

Ptrend = 0.66

1.0 (ref)

Ptrend = 0.73

 C2 (n = 46)

0.60 (0.25–1.41)

0.60 (0.24–1.48)

0.92 (0.35–2.45)

 C3 (n = 7)

0.99 (0.21–4.76)

1.44 (0.27–7.67)

1.88 (0.32–11.24)

 Per 10 μm

0.99 (0.94–1.05)

0.79

1.00 (0.94–1.06)

0.91

1.04 (0.98–1.11)

0.57

Axial length

 A1 (n = 59)

1.0 (ref)

Ptrend = 0.04

1.0 (ref)

Ptrend = 0.02

1.0 (ref)

Ptrend = 0.01

 A2 (n = 30)

2.27 (0.93–5.51)

2.58 (0.99–6.69)

2.82 (1.04–7.61)

 A3 (n = 5)

3.69 (0.64–21.24)

5.59 (0.91–34.3)

8.57 (1.14–64.68)

 Per 1 mm

1.69 (1.17–2.46)

0.006

1.80 (1.21–2.65)

0.003

1.99 (1.29–3.06)

0.002

Women (n = 76)

Choroidal thickness

 C1 (n = 30)

1.0 (ref)

Ptrend = 0.005

1.0 (ref)

Ptrend = 0.01

1.0 (ref)

Ptrend = 0.19

 C2 (n = 37)

0.28 (0.11–0.72)

0.39 (0.14–1.06)

0.60 (0.20–1.78)

 C3 (n = 9)

0.17 (0.03–0.90)

0.18 (0.03–0.99)

0.33 (0.05–2.01)

 Per 10 μm

0.89 (0.83–0.96)

0.003

0.91 (0.85–0.98)

0.01

0.94 (0.87–1.02)

0.13

Axial length

 A1 (n = 60)

1.0 (ref)

Ptrend = 0.06

1.0 (ref)

Ptrend = 0.06

1.0 (ref)

Ptrend = 0.37

 A2 (n = 11)

1.47 (0.43–4.98)

3.06 (0.79–11.84)

2.05 (0.50–8.50)

 A3 (n = 5)

5.98 (0.89–40.23)

4.23 (0.60–30.00)

1.90 (0.22–16.10)

 Per 1 mm

1.63 (1.09–2.44)

0.02

1.76 (1.12–2.78)

0.02

1.47 (0.89–2.44)

0.13

  1. CI confidence interval, OR odds ratio, PVD posterior vitreous detachment, ref reference, SD standard deviation.
  2. In men, the cut-off point was 76.0–203.6 μm (C1), 203.7–330.3 μm (C2), and 330.4–459.0 μm (C3) for choroidal thickness and 26.00–27.82 mm (A1), 27.83–29.61 mm (A2), and 29.62–31.40 mm (A3) for axial length.
  3. In women, the cut-off point was 51.0–177.1 μm (C1), 177.2–298.7 μm (C2), and 298.8–459.0 μm (C3) for choroidal thickness and 26.00–27.86 mm (A1), 27.87–29.68 mm (A2), and 29.69–31.40 mm (A3) for axial length.
  4. P values less than the statistically significant level (= 0.05) are marked in bold.
  5. *Adjusted for age (in years).
  6. †Adjusted for age (in years) and axial length for choroidal thickness or choroidal thickness for axial length.
  7. ‡Choroidal thickness and axial length were classified into three groups based on the same range of each variable.
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