Difference between fresh plasma and thawed serum sorted on component, then absulute difference.
M serum - mean of serum values
D - difference
s - standard deviation of difference
N - number of differences
           
Component Instrument producer M serum D   s N
Albumin Dade behring (du pont) 40.8 -2.3 2.3 1.5 32  
Albumin Ortho-clinical diagnostics (Vitros) 41.7 -0.7 0.7 1.3 92  
Albumin Beckman coulter 41.0 0.6 0.6 1.3 106  
Albumin Roche (Hitachi) 40.9 -0.5 0.5 1.3 327  
Albumin Konelab 41.4 -0.3 0.3 2.2 231  
Albumin Roche (Cobas) 41.7 -0.1 0.1 1.8 353  
Albumin Bayer (technicon) 41.4 0.1 0.1 2.5 32  
ALP Konelab 136.6 8.5 8.5 20.2 182
ALP Roche (Hitachi) 147.7 -4.5 4.5 5.4 203
ALP Dade behring (du pont) 155.0 -4.3 4.3 8.0 32
ALP Beckman coulter 150.3 -4.2 4.2 5.7 80
ALP Roche (Cobas) 142.9 -3.9 3.9 5.9 350
ALP Ortho-clinical diagnostics (Vitros) 143.6 -1.5 1.5 4.7 109
Alt Konelab 20.8 5.4 5.4 8.0 178  
Alt Beckman coulter 23.8 -4.0 4.0 4.0 106  
Alt Ortho-clinical diagnostics (Vitros) 22.3 -3.3 3.3 4.7 109  
Alt Roche (Hitachi) 22.7 -1.9 1.9 5.0 321  
Alt Dade behring (du pont) 23.3 -1.6 1.6 4.1 32  
Alt Roche (Cobas) 21.4 1.3 1.3 3.8 326  
Amylase Ortho-clinical diagnostics (Vitros) 197.2 80.2 80.2 51.3 109
Amylase Beckman coulter 202.2 9.7 9.7 30.4 39
Amylase Roche (Cobas) 202.1 -5.6 5.6 14.4 325
Amylase Roche (Hitachi) 215.8 -2.3 2.3 6.6 129
Amylase Dade behring (du pont) 202.7 -2.1 2.1 7.1 32
Amylase Konelab 203.7 0.2 0.2 16.2 184  
AST Ortho-clinical diagnostics (Vitros) 25.9 3.9 3.9 5.3 109  
AST Dade behring (du pont) 26.0 -1.7 1.7 2.7 32  
AST Konelab 23.4 1.0 1.0 2.7 184  
AST Roche (Hitachi) 23.4 -0.5 0.5 2.6 312  
AST Roche (Cobas) 23.8 -0.4 0.4 1.4 322  
AST Beckman coulter 24.5 -0.1 0.1 2.8 106  
Bilirubin Roche (Cobas) 11.2 2.9 2.9 3.4 353
Bilirubin Beckman coulter 14.2 -1.8 1.8 3.9 106
Bilirubin Bayer (technicon) 10.6 1.8 1.8 1.5 32
Bilirubin Konelab 12.0 1.4 1.4 2.8 126
Bilirubin Ortho-clinical diagnostics (Vitros) 10.6 0.4 0.4 0.7 109
Bilirubin Roche (Hitachi) 11.6 -0.1 0.1 1.1 378
Bilirubin Dade behring (du pont) 11.3 0.0 0.0 0.9 32
Ca Ortho-clinical diagnostics (Vitros) 2.32 -0.08 0.1 0.06 109  
Ca Roche (Cobas) 2.36 -0.04 0.0 0.10 326  
Ca Bayer (technicon) 2.31 -0.04 0.0 0.11 32  
Ca Roche (Hitachi) 2.32 -0.02 0.0 0.07 385  
Ca Konelab 2.34 -0.02 0.0 0.08 125  
Ca Dade behring (du pont) 2.35 -0.01 0.0 0.08 32  
Ca Beckman coulter 2.31 0.00 0.0 0.08 106  
Cholesterol Dade behring (du pont) 6.0 -0.3 0.3 0.3 32
Cholesterol Bayer (technicon) 5.3 -0.2 0.2 0.3 32
Cholesterol Roche (Hitachi) 5.2 -0.2 0.2 0.2 402
Cholesterol Beckman coulter 5.4 -0.2 0.2 0.2 106
Cholesterol Konelab 5.4 -0.1 0.1 0.3 126
Cholesterol Roche (Cobas) 5.2 -0.1 0.1 0.2 329
Cholesterol Ortho-clinical diagnostics (Vitros) 5.2 -0.1 0.1 0.2 109
CK Dade behring (du pont) 152 -11 10.7 12 32  
CK Beckman coulter 156 -6 5.8 12 84  
CK Ortho-clinical diagnostics (Vitros) 213 -5 5.4 9 33  
CK Konelab 128 5 4.9 26 230  
CK Roche (Hitachi) 129 -2 2.4 8 304  
CK Roche (Cobas) 136 1 0.9 9 335  
Creatinin Beckman coulter 75 -5 4.6 6 65
Creatinin Bayer (technicon) 76 -2 2.1 5 32
Creatinin Konelab 77 2 1.6 8 127
Creatinin Roche (Hitachi) 72 -1 1.1 4 381
Creatinin Roche (Cobas) 71 1 0.7 3 353
Creatinin Dade behring (du pont) 72 0 0.4 3 32
Creatinin Ortho-clinical diagnostics (Vitros) 73 0 0.1 2 108
Glucose Konelab 4.8 0.3 0.3 0.3 153  
Glucose Kyoto daiichi 4.9 0.3 0.3 0.6 63  
Glucose Ortho-clinical diagnostics (Vitros) 4.9 0.3 0.3 0.2 76  
Glucose Beckman coulter 5.0 0.3 0.3 0.2 67  
Glucose Roche (Hitachi) 5.0 0.3 0.3 0.2 312  
Glucose Roche (Cobas) 5.0 0.2 0.2 0.2 295  
Glucose Dade behring (du pont) 4.6 0.2 0.2 0.3 32  
GT Dade behring (du pont) 32.8 -8.0 8.0 2.7 32
GT Konelab 29.0 2.0 2.0 2.6 183
GT Beckman coulter 33.3 -1.4 1.4 4.2 105
GT Roche (Cobas) 26.0 -1.2 1.2 1.2 353
GT Roche (Hitachi) 26.7 -0.7 0.7 2.1 321
GT Ortho-clinical diagnostics (Vitros) 27.3 0.5 0.5 1.2 76
HDL Beckman coulter 1.60 -0.07 0.1 0.18 105  
HDL Dade behring (du pont) 1.59 -0.03 0.0 0.11 32  
HDL Bayer (technicon) 1.42 0.03 0.0 0.04 32  
HDL Roche (Cobas) 1.59 0.02 0.0 0.07 329  
HDL Konelab 1.58 -0.01 0.0 0.13 175  
HDL Roche (Hitachi) 1.52 0.00 0.0 0.07 399  
K Dade behring (du pont) 4.17 -0.24 0.2 0.19 32
K Beckman coulter 3.99 -0.24 0.2 0.18 104
K Roche (Cobas) 4.04 -0.20 0.2 0.16 322
K Ortho-clinical diagnostics (Vitros) 4.05 -0.19 0.2 0.17 109
K Roche (Hitachi) 4.05 -0.19 0.2 0.16 327
K Konelab 4.01 -0.16 0.2 0.16 216
LD Beckman coulter 323 -20 19.8 36 80  
LD Dade behring (du pont) 345 -16 15.5 40 32  
LD Roche (Hitachi) 318 -10 10.4 27 178  
LD Ortho-clinical diagnostics (Vitros) 366 -8 8.4 24 81  
LD Konelab 266 5 4.8 101 62  
LD Roche (Cobas) 319 0 0.2 29 353  
Mg Perkin elmer 0.86 -0.02 0.0 0.03 66
Mg Ortho-clinical diagnostics (Vitros) 0.84 0.01 0.0 0.03 76
Mg Roche (Cobas) 0.85 -0.01 0.0 0.03 268
Mg Beckman coulter 0.83 0.01 0.0 0.03 80
Mg Konelab 0.84 0.00 0.0 0.05 31
Mg Dade behring (du pont) 0.83 0.00 0.0 0.04 32
Mg Roche (Hitachi) 0.83 0.00 0.0 0.04 263
Na Roche (Cobas) 141.9 -1.0 1.0 1.3 322  
Na Beckman coulter 140.9 -0.7 0.7 3.1 105  
Na Konelab 141.3 -0.6 0.6 2.9 216  
Na Ortho-clinical diagnostics (Vitros) 141.5 -0.6 0.6 1.5 109  
Na Roche (Hitachi) 140.5 -0.4 0.4 1.5 326  
Na Dade behring (du pont) 141.0 0.0 0.0 1.3 32  
P inorg Bayer (technicon) 1.12 -0.10 0.1 0.06 32
P inorg Dade behring (du pont) 1.10 -0.08 0.1 0.06 32
P inorg Konelab 1.12 -0.06 0.1 0.08 63
P inorg Roche (Hitachi) 1.11 -0.06 0.1 0.05 385
P inorg Roche (Cobas) 1.15 -0.05 0.0 0.05 299
P inorg Beckman coulter 1.08 -0.05 0.0 0.07 106
P inorg Ortho-clinical diagnostics (Vitros) 1.10 -0.04 0.0 0.04 109
P-Amylase Beckman coulter 106 -4 4.2 5 41  
P-Amylase Roche (Hitachi) 104 -4 4.0 6 234  
P-Amylase Roche (Cobas) 123 2 1.6 3 28  
Protein Beckman coulter 69.1 2.3 2.3 2.3 65
Protein Roche (Hitachi) 69.5 2.2 2.2 1.5 163
Protein Dade behring (du pont) 69.9 2.1 2.1 2.4 32
Protein Roche (Cobas) 70.5 1.9 1.9 2.3 213
Protein Konelab 69.0 1.9 1.9 4.4 210
Protein Bayer (technicon) 70.0 1.5 1.5 3.2 32
Protein Ortho-clinical diagnostics (Vitros) 70.2 1.3 1.3 1.8 48
T4 Roche/boehringer mannheim 99.0 1.6 1.6 4.7 32  
TIBC Roche (Hitachi) 62.2 -2.8 2.8 2.7 107
Trigly Bayer (technicon) 1.19 -0.08 0.1 0.08 32  
Trigly Konelab 1.15 -0.06 0.1 0.25 127  
Trigly Roche (Hitachi) 1.10 -0.05 0.0 0.09 399  
Trigly Roche (Cobas) 1.12 -0.04 0.0 0.09 328  
Trigly Dade behring (du pont) 1.41 -0.03 0.0 0.09 32  
Trigly Beckman coulter 1.06 -0.01 0.0 0.12 105  
Trigly Ortho-clinical diagnostics (Vitros) 1.09 0.00 0.0 0.04 109  
TSH Roche/boehringer mannheim 1.61 0.03 0.0 0.10 32
Urea Konelab 5.6 -0.5 0.5 0.8 94  
Urea Roche (Hitachi) 5.2 -0.1 0.1 0.2 385  
Urea Beckman coulter 5.4 -0.1 0.1 0.3 106  
Urea Dade behring (du pont) 4.6 -0.1 0.1 0.3 32  
Urea Ortho-clinical diagnostics (Vitros) 5.2 -0.1 0.1 0.2 81  
Urea Roche (Cobas) 5.4 0.0 0.0 0.2 267  
Uric acid Konelab 290 -9 9.3 27 177
Uric acid Dade behring (du pont) 326 6 5.8 11 32
Uric acid Beckman coulter 272 -3 3.5 14 106
Uric acid Ortho-clinical diagnostics (Vitros) 285 -1 1.5 5 92
Uric acid Roche (Hitachi) 294 -1 1.1 20 328
Uric acid Roche (Cobas) 286 1 0.9 12 315