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Table 2 Characteristics of preschool children by 2 years’ follow-up

From: Prediction of premyopia and myopia in Chinese preschool children: a longitudinal cohort

Characteristics

Age (months)

P*Value

36–48

(Baseline, 2015)

48–60

(Middle, 2016)

60–72

(Graduation, 2017)

Age (month)

40.83 ± 3.43

54.89 ± 3.44

66.81 ± 3.33

<  0.001

Height (cm)

100.25 ± 4.37

107.74 ± 5.51

114.40 ± 5.94

<  0.001

Weight (kg)

15.88 ± 2.43

18.41 ± 2.77

20.95 ± 3.93

<  0.001

CP (diopter)

43.44 ± 1.42

43.18 ± 1.41

43.15 ± 1.41

<  0.001

AL (mm)

21.90 ± 0.65

22.26 ± 0.69

22.48 ± 0.70

<  0.001

AL/CR

2.82 ± 0.06

2.84 ± 0.13

2.87 ± 0.13

<  0.001

  1. Bold type indicated statistical significance
  2. Abbreviations: CP corneal power, AL axial length, CR corneal radius of curvature
  3. * Determined using analysis of variance (ANOVA)
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BMC Ophthalmology

ISSN: 1471-2415

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