NORIP
Difference between fresh plasma and thawed serum sorted on component, then standard deviation (s).

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 Bayer (technicon) 41.4 0.1 0.1 2.5 32  
Albumin Konelab 41.4 -0.3 0.3 2.2 231  
Albumin Roche (Cobas) 41.7 -0.1 0.1 1.8 353  
Albumin Dade behring (du pont) 40.8 -2.3 2.3 1.5 32  
Albumin Roche (Hitachi) 40.9 -0.5 0.5 1.3 327  
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  
ALP Konelab 136.6 8.5 8.5 20.2 182
ALP Dade behring (du pont) 155.0 -4.3 4.3 8.0 32
ALP Roche (Cobas) 142.9 -3.9 3.9 5.9 350
ALP Beckman coulter 150.3 -4.2 4.2 5.7 80
ALP Roche (Hitachi) 147.7 -4.5 4.5 5.4 203
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 Roche (Hitachi) 22.7 -1.9 1.9 5.0 321  
Alt Ortho-clinical diagnostics (Vitros) 22.3 -3.3 3.3 4.7 109  
Alt Dade behring (du pont) 23.3 -1.6 1.6 4.1 32  
Alt Beckman coulter 23.8 -4.0 4.0 4.0 106  
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 Konelab 203.7 0.2 0.2 16.2 184
Amylase Roche (Cobas) 202.1 -5.6 5.6 14.4 325
Amylase Dade behring (du pont) 202.7 -2.1 2.1 7.1 32
Amylase Roche (Hitachi) 215.8 -2.3 2.3 6.6 129  
AST Ortho-clinical diagnostics (Vitros) 25.9 3.9 3.9 5.3 109  
AST Beckman coulter 24.5 -0.1 0.1 2.8 106  
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  
Bilirubin Beckman coulter 14.2 -1.8 1.8 3.9 106
Bilirubin Roche (Cobas) 11.2 2.9 2.9 3.4 353
Bilirubin Konelab 12.0 1.4 1.4 2.8 126
Bilirubin Bayer (technicon) 10.6 1.8 1.8 1.5 32
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
Bilirubin Ortho-clinical diagnostics (Vitros) 10.6 0.4 0.4 0.7 109
Ca Bayer (technicon) 2.31 -0.04 0.0 0.11 32  
Ca Roche (Cobas) 2.36 -0.04 0.0 0.10 326  
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  
Ca Roche (Hitachi) 2.32 -0.02 0.0 0.07 385  
Ca Ortho-clinical diagnostics (Vitros) 2.32 -0.08 0.1 0.06 109  
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 Konelab 5.4 -0.1 0.1 0.3 126
Cholesterol Roche (Cobas) 5.2 -0.1 0.1 0.2 329
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 Ortho-clinical diagnostics (Vitros) 5.2 -0.1 0.1 0.2 109
CK Konelab 128 5 4.9 26 230  
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 Roche (Cobas) 136 1 0.9 9 335  
CK Roche (Hitachi) 129 -2 2.4 8 304  
Creatinin Konelab 77 2 1.6 8 127
Creatinin Beckman coulter 75 -5 4.6 6 65
Creatinin Bayer (technicon) 76 -2 2.1 5 32
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 Kyoto daiichi 4.9 0.3 0.3 0.6 63  
Glucose Dade behring (du pont) 4.6 0.2 0.2 0.3 32  
Glucose Konelab 4.8 0.3 0.3 0.3 153  
Glucose Roche (Cobas) 5.0 0.2 0.2 0.2 295  
Glucose Roche (Hitachi) 5.0 0.3 0.3 0.2 312  
Glucose Beckman coulter 5.0 0.3 0.3 0.2 67  
Glucose Ortho-clinical diagnostics (Vitros) 4.9 0.3 0.3 0.2 76  
GT Beckman coulter 33.3 -1.4 1.4 4.2 105
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 Roche (Hitachi) 26.7 -0.7 0.7 2.1 321
GT Roche (Cobas) 26.0 -1.2 1.2 1.2 353
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 Konelab 1.58 -0.01 0.0 0.13 175  
HDL Dade behring (du pont) 1.59 -0.03 0.0 0.11 32  
HDL Roche (Cobas) 1.59 0.02 0.0 0.07 329  
HDL Roche (Hitachi) 1.52 0.00 0.0 0.07 399  
HDL Bayer (technicon) 1.42 0.03 0.0 0.04 32  
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 Ortho-clinical diagnostics (Vitros) 4.05 -0.19 0.2 0.17 109
K Konelab 4.01 -0.16 0.2 0.16 216
K Roche (Cobas) 4.04 -0.20 0.2 0.16 322
K Roche (Hitachi) 4.05 -0.19 0.2 0.16 327
LD Konelab 266 5 4.8 101 62  
LD Dade behring (du pont) 345 -16 15.5 40 32  
LD Beckman coulter 323 -20 19.8 36 80  
LD Roche (Cobas) 319 0 0.2 29 353  
LD Roche (Hitachi) 318 -10 10.4 27 178  
LD Ortho-clinical diagnostics (Vitros) 366 -8 8.4 24 81  
Mg Konelab 0.84 0.00 0.0 0.05 31
Mg Roche (Hitachi) 0.83 0.00 0.0 0.04 263
Mg Dade behring (du pont) 0.83 0.00 0.0 0.04 32
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 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
Na Beckman coulter 140.9 -0.7 0.7 3.1 105  
Na Konelab 141.3 -0.6 0.6 2.9 216  
Na Roche (Hitachi) 140.5 -0.4 0.4 1.5 326  
Na Ortho-clinical diagnostics (Vitros) 141.5 -0.6 0.6 1.5 109  
Na Roche (Cobas) 141.9 -1.0 1.0 1.3 322  
Na Dade behring (du pont) 141.0 0.0 0.0 1.3 32  
P inorg Konelab 1.12 -0.06 0.1 0.08 63
P inorg Beckman coulter 1.08 -0.05 0.0 0.07 106
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 Roche (Cobas) 1.15 -0.05 0.0 0.05 299
P inorg Roche (Hitachi) 1.11 -0.06 0.1 0.05 385
P inorg Ortho-clinical diagnostics (Vitros) 1.10 -0.04 0.0 0.04 109
P-Amylase Roche (Hitachi) 104 -4 4.0 6 234  
P-Amylase Beckman coulter 106 -4 4.2 5 41  
P-Amylase Roche (Cobas) 123 2 1.6 3 28  
Protein Konelab 69.0 1.9 1.9 4.4 210
Protein Bayer (technicon) 70.0 1.5 1.5 3.2 32
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 Beckman coulter 69.1 2.3 2.3 2.3 65
Protein Ortho-clinical diagnostics (Vitros) 70.2 1.3 1.3 1.8 48
Protein Roche (Hitachi) 69.5 2.2 2.2 1.5 163
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 Konelab 1.15 -0.06 0.1 0.25 127  
Trigly Beckman coulter 1.06 -0.01 0.0 0.12 105  
Trigly Dade behring (du pont) 1.41 -0.03 0.0 0.09 32  
Trigly Roche (Cobas) 1.12 -0.04 0.0 0.09 328  
Trigly Roche (Hitachi) 1.10 -0.05 0.0 0.09 399  
Trigly Bayer (technicon) 1.19 -0.08 0.1 0.08 32  
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 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 Roche (Hitachi) 5.2 -0.1 0.1 0.2 385  
Urea Roche (Cobas) 5.4 0.0 0.0 0.2 267  
Urea Ortho-clinical diagnostics (Vitros) 5.2 -0.1 0.1 0.2 81  
Uric acid Konelab 290 -9 9.3 27 177
Uric acid Roche (Hitachi) 294 -1 1.1 20 328
Uric acid Beckman coulter 272 -3 3.5 14 106
Uric acid Roche (Cobas) 286 1 0.9 12 315
Uric acid Dade behring (du pont) 326 6 5.8 11 32
Uric acid Ortho-clinical diagnostics (Vitros) 285 -1 1.5 5 92