Table 1.
Age Category | Mean ± 2SD | Median (10-90 percentile) |
---|---|---|
<30 | 6.2 (4.7-7.6) | 6.1 (5.3-7.1) |
30-39 | 6.5 (3.8-9.2) | 6.4 (5.2-8.0) |
40-49 | 7.2 (4.6-9.8) | 6.9 (5.9-8.6) |
50-59 | 8.3 (4.5-12.1) | 8.1 (6.3-10.0) |
60-69 | 10.3 (5.5-15.0) | 9.7 (7.9-13.1) |
≥70 | 10.9 (5.5-16.3) | 10.6 (8.0-14.6) |