Table 1.
Reference Intervals of AFP and CEA for apparently healthy population.
| Gender group | AFP (ng/ml) | CEA (ng/ml) | ||||||
|---|---|---|---|---|---|---|---|---|
| N | Med | Lower limit (90% Cl) | Upper limit (90% Cl) | N | Med | Lower limit (90% Cl) | Upper limit (90% Cl) | |
| Male | 16057 | 3.21 | 1.31 (1.29–1.33) | 7.89 (7.79–8.00) | 16775 | 1.64 | 0.51 (0.50–0.52) | 4.86 (4.79–4.94) |
| Female | 8717 | 2.58 | 1.01 (0.99–1.03) | 7.10 (6.90–7.27) | 9095 | 1.10 | 0.35 (0.34–0.36) | 3.45 (3.38–3.54) |
| Total | 24774 | 2.98 | 1.15 (1.13–1.17) | 7.68 (7.60–7.79) | 25870 | 1.43 | 0.42 (0.42–0.43) | 4.53 (4.47–4.61) |
95% Reference interval, Double-sided. Non-parametric percentile method(CLSI EP28-A3).