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Table 3 Distribution of lens power stratified by AL for participants with and without Type 2 DM

From: The associations of lens power with age, axial length and type 2 diabetes mellitus in Chinese adults aged 50 and above

AL (mm)

Control group

Type 2 DM group

p value

N

Lens power (D)

p value*

N

Lens power (D)

p value*

< 23

613

22.45 ± 1.82

 

688

22.91 ± 1.83

 

< 0.001

23 ~ < 24

746

21.09 ± 1.67

< 0.001

688

21.35 ± 1.83

< 0.001

0.006

24 ~ < 25

317

20.16 ± 1.88

< 0.001

305

20.54 ± 2.01

< 0.001

0.016

25 ~ < 26

119

19.61 ± 1.90

0.071

100

19.97 ± 1.98

0.158

0.173

26 ~ < 27

45

19.18 ± 1.73

1.000

49

19.49 ± 1.77

1.000

0.391

≥ 27

47

18.95 ± 2.20

1.000

53

19.47 ± 2.49

1.000

0.272

p for trend

 

< 0.001

  

< 0.001

  
  1. The data was described as mean ± standard deviation
  2. AL = axial length; D = diopter; DM = diabetic mellitus
  3. p for trend was measured using univariate regression analysis
  4. * Comparisons with the previous AL category using one-way ANOVA with Bonferroni correction
  5. Comparisons between the control group and the Type 2 DM group for each AL category using Student’s t-test