Age groups (years) | Actual age (years) | Predicted age (years) | Paired T test | ||
---|---|---|---|---|---|
Difference (predicted − actual) | P value | ||||
1 (< 20) | Mean | 17.20 | 19.85 | 2.60 | < 0.001* |
SD | 1.4 | 1.6 | 1.3 | ||
2 (20–24) | Mean | 22.00 | 25.00 | 3.03 | < 0.001* |
SD | 1.3 | 1.5 | 0.77 | ||
3(25–29) | Mean | 26.70 | 29.20 | 2.50 | < 0.001* |
SD | 1.4 | 1.8 | 0.64 | ||
4 (30–34) | Mean | 31.90 | 32.05 | 0.13 | 0.062 |
SD | 1.4 | 1.5 | 0.28 | ||
5 (35–39) | Mean | 36.90 | 37.14 | 0.24 | 0.056 |
SD | 1.4 | 1.4 | 0.54 | ||
6 (40–44) | Mean | 42.30 | 41.90 | − 0.42 | 0.063 |
SD | 1.6 | 2.2 | 1.1 | ||
7 (45–49) | Mean | 47.50 | 45.89 | − 1.59 | < 0.001* |
SD | 1.5 | 1.4 | 0.47 | ||
8 (50–54) | Mean | 52.20 | 48.72 | − 3.45 | < 0.001* |
SD | 1.6 | 1.7 | 1.1 | ||
9 (55–60) | Mean | 57.10 | 52.30 | − 4.75 | < 0.001* |
SD | 1.9 | 1.9 | 0.55 |