Table 3.
Demographic and myopia biometry parameters for each of the two clusters
| Variables | High-risk class(%) | Low-risk class(%) | χ2/t | P |
|---|---|---|---|---|
| Sex | ||||
| Male | 261(41.0) | 376(59.0) | 0.01 | 0.93 |
| Female | 567(41.2) | 810(58.8) | ||
| Ethnicity | ||||
| Han | 201(40.0) | 302(60.0) | 0.37 | 0.54 |
| Minority | 627(41.5) | 884(58.5) | ||
| Local resident | ||||
| Yes | 647(42.0) | 892(58.0) | 2.32 | 0.13 |
| No | 181(38.1) | 294(61.9) | ||
| Habitual residence | ||||
| Rural | 262(37.8) | 431(62.2) | 4.77 | 0.03 |
| Urban | 566(42.8) | 755(57.2) | ||
| Father’s education level | ||||
| < High school degree | 655(42.6) | 884(57.4) | 5.65 | 0.02 |
| ≥ High school degree | 173(36.4) | 302(63.6) | ||
| Mother’s education level | ||||
| < High school degree | 713(42.6) | 959(57.4) | 9.54 | 0.002 |
| ≥ High school degree | 115(33.6) | 227(66.4) | ||
| AL, mm# | 24.89 ± 1.15 | 24.77 ± 1.24 | 2.19 | 0.03 |
| CR, mm# | 7.85 ± 0.36 | 7.88 ± 0.28 | -1.75 | 0.08 |
| AL/CR# | 3.17 ± 0.14 | 3.15 ± 0.15 | 4.02 | < 0.001 |
| ACD, mm# | 3.63 ± 0.24 | 3.61 ± 0.25 | 1.68 | 0.09 |
Bolded number represents the P < 0.05. # data was presented as mean ± standard deviation. AL, axial length; CR, corneal radius; ACD, anterior chamber depth