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. 2017 Jun 30;11:1233–1238. doi: 10.2147/OPTH.S141313

Table 2.

Central corneal thickness by age groups

Age group (years) N Median IQR Min Max
11–20 801 547.0 49.0 370.0 643.0
21–30 3,101 540.0 45.0 357.0 660.0
31–40 998 537.0 42.0 361.0 650.0
41–50 212 535.0 39.0 376.0 613.0

Note: Other age groups were excluded due to low sample size.

Abbreviations: IQR, interquartile range; Min, minimum; Max, maximum.