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. 2012 Aug 21;65(3):363–378. doi: 10.1007/s10616-012-9488-4

Table 3.

Statistical analysis results for the Plackett–Burman experiment

Factor Cell density (106/ml) Antibody production (mg/l)
Coefficient F value Prob > F Coefficient F value Prob > F
Intercept 2.71E + 00 203.40 0.0049 1.75E + 01 14.90 0.0647
Ethanolamine 9.90E − 02 135.19 0.0073 −6.68E − 01 1.81 0.3111
Sodium selenite −5.50E − 02 41.72 0.0231 1.32E + 00 7.02 0.1178
Putrescine 3.39E − 01 1585.12 0.0006 7.08E + 00 202.73 0.0049
Hydrocortisone −2.70E − 02 10.06 0.0867 −1.89E + 00 14.45 0.0628
Lipid 2.52E − 01 875.92 0.0011 2.37E − 01 0.23 0.6808
Sodium pyruvate 5.30E − 02 38.74 0.0249 2.79E − 01 0.31 0.6316
Ascorbic acid −1.07E − 01 157.92 0.0063 2.09E − 01 0.18 0.7146
Glutathione −4.90E − 02 33.12 0.0289 −3.18E − 01 0.41 0.5880
Dummy (J) −2.2E − 02 3.44E − 01
Choline chloride 1.45E − 01 290.00 0.0034 5.77E − 01 1.35 0.3657
d-calcium pantothenate 1.22E − 01 205.30 0.0048 1.13E + 00 5.16 0.1510
Folic acid 1.00E − 03 0.01 0.9172 1.72E + 00 12.01 0.0741
Niacinamide −9.00E − 03 1.12 0.4013 6.48E − 01 1.70 0.3224
Pyridoxine hydrochloride −5.00E − 03 0.34 0.6165 4.07E − 01 0.67 0.4992
Riboflavin −4.10E − 02 23.19 0.0405 −9.21E − 01 3.43 0.2052
Thiamine hydrochloride −2.50E − 02 8.62 0.0991 −5.26E − 01 1.12 0.4012
Cyanocobalamin 1.90E − 02 4.98 0.1553 4.07E − 01 0.67 0.4991
I-inositol −5.80E − 02 46.40 0.0209 3.44E − 02 0.00 0.9512
Dummy (T) 0 −1.37E + 00

Variables with positive effects are shown in bold