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Table 2 Parameter estimates for B. anthracis ∆Sterne and B. thuringiensis Al Hakam on APC

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 17.5984 0.9562 18.405 3.4646 × 10−7
Block (b) −0.7847 1.1276 −0.696 0.5089
x 1 6.7224 0.8281 8.118 8.3006 × 10−5
x 2 6.2954 0.8281 7.602 0.0001
x 3 6.7968 0.8281 8.208 7.7356 × 10−5
x 1 x 2 −2.685 0.9636 −2.786 0.0271
x 1 x 3 −3.449 0.9636 −3.579 0.0090
x 2 x 3 −2.8576 0.9636 −2.965 0.0209
x 2 1 −3.6926 1.3148 −2.809 0.0262
x 2 2 −3.3049 1.3148 −2.514 0.0402
x 2 3 −2.7348 1.3148 −2.08 0.0761
B. thuringiensis Al Hakam    
Intercept 16.8775 1.5466 10.912 1.1998 × 10−5
Block (b) −0.7869 1.8239 −0.431 0.6791
x 1 7.5240 1.3394 5.617 0.0008
x 2 7.5517 1.3394 5.638 0.0008
x 3 7.2767 1.3394 5.433 0.0010
x 1 x 2 −3.6367 1.5587 −2.333 0.0524
x 1 x 3 −3.5525 1.5587 −2.279 0.0567
x 2 x 3 −2.7313 1.5587 −1.752 0.1232
x 2 1 −1.4004 2.1266 −0.658 0.5313
x 2 2 −4.6715 2.1266 −2.197 0.0640
x 2 3 −3.3409 2.1266 −1.571 0.1602
  1. Df = 1 for estimates.