From: The impact of sample storage time on estimates of association in biomarker discovery studies
Date of sample collection | Concentration measured | % change | |
---|---|---|---|
 | at sample collection | Sept 2009 |  |
 | CA 15-3 |  |  |
Nov 1997 | 166 | 187 | 12.65 |
Oct 1998 | 29 | 33 | 13.79 |
Apr 1995 | 10 | 12 | 20.00 |
Feb 2001 | 21 | 19 | -9.52 |
Apr 2001 | 23 | 24 | 4.35 |
Feb 1999 | 33 | 34 | 3.03 |
Sep 2000 | 26 | 33 | 26.92 |
Sep 2000 | 24 | 33 | 37.50 |
Sep 2000 | 15 | 17 | 13.33 |
Sep 2000 | 12 | 16 | 33.33 |
Nov 1999 | 884 | 986 | 11.54 |
 | CA125 |  |  |
Feb 1999 | 83 | 96 | 15.66 |
Feb 1999 | < LOD†| < LOD |  |
Feb 1999 | < LOD | < LOD | Â |
Feb 1999 | 51 | 69 | 35.29 |
Feb 1999 | < LOD | < LOD | Â |
Sep 2000 | 77 | 73 | -5.19 |
Sep 2000 | 33 | 32 | -3.03 |
Sep 1998 | 106 | 105 | -0.94 |
Oct 1998 | 1273 | 2026 | 59.15 |