Research Article
Measurement and Analysis of Central Corneal Thickness at Different Postnatal Stages in Chinese Premature Infants
Table 4
Mean CCT of different BWs at each PMA.
| PMA | BW | t | | <1500 g | >1500 g | CCT (μm) | N | CCT (μm) | N |
| 34 w | 619.10 ± 59.59 | 220 | 590.78 ± 52.49 | 304 | 5.76 | <0.0001 | 36 w | 605.28 ± 58.34 | 313 | 579.33 ± 49.63 | 410 | 6.45 | <0.0001 | 38 w | 591.01 ± 53.64 | 284 | 572.95 ± 48.12 | 301 | 4.29 | <0.0001 | 40 w | 574.83 ± 54.58 | 213 | 555.98 ± 48.21 | 318 | 4.18 | <0.0001 | 42 w | 554.42 ± 47.82 | 144 | 549.11 ± 44.05 | 149 | 0.99 | 0.32 | 44 w | 551.55 ± 48.08 | 88 | 543.56 ± 41.94 | 70 | 1.09 | 0.27 | 46 w | 542.00 ± 41.97 | 71 | 530.71 ± 45.97 | 77 | 1.56 | 0.12 | 48 w | 540.37 ± 36.36 | 67 | 534.33 ± 38.26 | 46 | 0.85 | 0.40 | 52 w | 538.00 ± 36.79 | 75 | 526.92 ± 40.64 | 75 | 1.75 | 0.08 | 64 w | 530.50 ± 39.29 | 64 | 522.43 ± 44.07 | 42 | 0.99 | 0.33 | 76 w | 531.56 ± 30.53 | 39 | 521.53 ± 36.85 | 30 | 1.24 | 0.22 | 88 w | 534.215 ± 39.35 | 38 | 523.15 ± 35.75 | 27 | 1.16 | 0.25 |
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PMA: postmenstrual age; N: number of infants; CCT: central corneal thickness; BW: birth weight.
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