Comparison of NAA/Cr among different age groups
| Age Groups (yr) | Mean | No. | P Value |
|---|---|---|---|
| 0–5 | 2.14 ± 0.25 | 20 | .001,a <.001b |
| 6–20 | 1.90 ± 0.20 | 15 | .468,c .261d |
| 21–50 | 1.85 ± 0.19 | 21 | .665e |
| Older than 50 | 1.82 ± 0.20 | 22 | <.001f |
↵a Comparison between 0 to 5- and 6 to 20-year-old subjects.
↵b Comparison between 0 to 5- and 21 to 50-year-old subjects.
↵c Comparison between 6 to 20- and 21 to 50-year-old subjects.
↵d Comparison between 6 to 20- and older than 50-year-old subjects.
↵e Comparison between 21 to 50- and older than 50-year-old subjects.
↵f Comparison between 0 to 5- and older than 50-year-old subjects.