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Table 6 Parameter estimates for B. anthracis ∆Sterne and B. thuringiensis Al Hakam on polypropylene

From: Response surface modeling for hot, humid air decontamination of materials contaminated with Bacillus anthracis ∆Sterne and Bacillus thuringiensis Al Hakam spores

Model term Parameter estimate Standard error t-value P-value
B. anthracis ∆Sterne     
Intercept 6.4025 1.8516 3.4578 0.0061
Block (b) 6.4256 2.0000 3.2128 0.0093
x 1 6.9452 1.1711 5.9306 0.0001
x 2 2.2431 1.1711 1.9154 0.0844
x 3 4.3604 1.1711 3.7234 0.0040
x 2 1 −1.0017 2.2678 −0.4417 0.6681
x 2 2 4.8915 2.2678 2.1570 0.0564
x 2 3 −2.3429 2.2678 −1.0331 0.3259
B. thuringiensis Al Hakam    
Intercept 1.4271 0.1529 9.3320 0.0002
Block (b) 0.7180 0.2202 3.2600 0.0224
x 1 1.7227 0.1529 11.2640 9.6332 × 10−5
x 2 −0.1465 0.1529 −0.9580 0.3822
x 3 0.3641 0.1249 2.9160 0.0332
x 2 1 −0.0792 0.2823 −0.2810 0.7903
x 2 2 0.8467 0.2823 2.9990 0.0301
x 2 3 −0.5264 0.2777 −1.8960 0.1165
  1. Df = 1 for estimates.