Skip to main content
. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: J Proteome Res. 2010 Jan;9(1):595–604. doi: 10.1021/pr9005603

Table 2. Reliability of Quantifications for Detected Spots.

Summary of %CV for spots detected by various preprocessing methods, across all dilution series and treatment groups for differential expression studies. Methods include (1) Pinnacle, (2) SameSpots, (3) SameSpots with PG spot detection (SameSpots+PG), (4) SameSpots with manual editing with SameSpots (SameSpots+edits), (5) SameSpots with manual editing with PG (SameSpots+edits (PG)), (6) Progenesis PG240 (PG240).

Study Method Number of Spots %CV (Reliability)
Mean Q05 Q25 Median Q75 Q95
NC Pinnacle 937 18.8 7.4 12.5 17.1 22.8 33.9
SameSpots 688 20.2 8.2 13.4 17.9 22.8 36.2
SameSpots +PG 1033 22.7 8.0 13.7 18.5 24.4 44.4
SameSpots +edits 900 20.2 7.9 13.4 17.9 23.0 35.7
SameSpots +edits (PG) 1082 20.9 7.8 13.7 18.3 23.9 38.1
PG240 566 49.7 10.5 18.6 27.4 61.5 200.0
SH Pinnacle 1322 27.5 5.2 13.7 23.2 38.3 61.0
SameSpots 1037 29.9 5.9 15.5 26.4 41.1 64.4
SameSpots +PG 1305 30.4 6.3 16.2 27.1 41.8 64.9
SameSpots +edits 1244 29.4 5.7 15.4 25.6 40.5 64.0
SameSpots +edits (PG) 1383 30.0 6.1 15.9 26.3 41.2 65.1
PG240 391 66.9 11.1 28.4 53.0 92.3 173.2
D1 Pinnacle 719 25.6 11.0 16.5 22.4 30.1 53.0
SameSpots 1094 43.8 22.5 30.7 37.8 51.6 85.6
SameSpots +PG 1319 44.0 23.6 31.5 38.3 51.1 79.2
SameSpots +edits 1153 40.5 22.5 31.0 36.8 46.6 69.3
SameSpots +edits (PG) 1255 40.3 22.5 31.0 36.8 46.5 68.5
D2 Pinnacle 1136 28.8 10.4 16.2 21.9 31.4 75.0
SameSpots 1410 36.8 14.7 21.6 29.1 44.3 86.0
SameSpots +PG 1928 36.7 15.3 23.4 32.2 44.7 72.0
SameSpots +edits 1390 30.2 14.3 20.7 27.2 35.7 56.0
SameSpots +edits (PG) 1458 30.3 14.2 20.8 27.5 36.1 55.6