Table 1.
Recoveries of pepsinogen I (PGI) and pepsinogen II (PGII) determined by the proposed method (n = 2)
| Sample | PGI | PGII | ||||||
|---|---|---|---|---|---|---|---|---|
|
Added (ng/mL) |
Determined Mean ± SD (ng/mL) |
Average recovery (%) |
CV (%) |
Added (ng/mL) |
Determined Mean ± SD (ng/mL) |
Average recovery (%) |
CV (%) |
|
| 1 | 11.30 | 11.38 ± 1.05 | 100.38 | 9.23 | 4.70 | 4.90 ± 0.20 | 104.26 | 4.08 |
| 47.40 | 45.34 ± 1.86 | 95.56 | 4.10 | 14.70 | 15.20 ± 0.32 | 103.40 | 2.11 | |
| 2 | 11.30 | 11.03 ± 0.64 | 97.34 | 5.66 | 4.70 | 4.70 ± 0.31 | 100.00 | 6.60 |
| 47.40 | 53.15 ± 2.53 | 112.02 | 4.76 | 14.70 | 15.90 ± 0.58 | 108.16 | 3.65 | |
| 3 | 11.30 | 11.87 ± 0.70 | 104.75 | 5.90 | 4.70 | 4.50 ± 0.20 | 95.74 | 4.44 |
| 47.40 | 46.90 ± 1.83 | 98.84 | 3.90 | 14.70 | 14.40 ± 0.54 | 97.96 | 3.75 | |
| 4 | 11.30 | 12.40 ± 1.10 | 109.42 | 8.87 | 4.70 | 4.90 ± 0.11 | 104.26 | 2.24 |
| 47.40 | 44.10 ± 2.16 | 92.95 | 4.90 | 14.70 | 14.40 ± 0.21 | 97.96 | 1.46 | |