BNP (Average #, SEM, n) | Surgical (n = 38) | Medical (n = 33) | P |
<100 | 0.17, 0.11, 12 | 0.33, 0.19, 12 | 0.455 |
101 - 300 | 0.64, 0.31, 11 | 3.71, 1.82, 7 | 0.054 |
301 - 1000 | 1.36, 0.43, 11 | 4.0, 0.632, 6 | 0.003 |
>1000 | 1.25, 0.629, 4 | 1.75, 0.70, 8 | 0.659 |