| group |  condition |  fitness |  t score |    | 
 | mixed community no phage control |  BHIS_CaCl2 no phage control with stool-derived community from humanized mice (condition: pre-antibiotic, MAC-deficient diet, mouse 2) |  -0.7 |  -3.0 |   compare | 
 | phage mixed community |  phage mixed community; hk phage cocktail 1 MOI; stool-derived community from humanized mice (condition: pre-antibiotic, MAC-deficient diet, mouse 2) |  -0.4 |  -1.5 |   compare | 
 | mixed community no phage control |  BHIS_CaCl2 no phage control with stool-derived community from humanized mice (condition: pre-antibiotic, standard diet, mouse 1) |  -0.4 |  -1.8 |   compare | 
 | phage mixed community |  phage mixed community; hk phage cocktail 1 MOI; stool-derived community from humanized mice (condition: pre-antibiotic, MAC-deficient diet, mouse 2) |  -0.4 |  -1.6 |   compare | 
 | mixed community no phage control |  BHIS_CaCl2 no phage control with stool-derived community from humanized mice (condition: pre-antibiotic, standard diet, mouse 1) |  -0.4 |  -1.7 |   compare | 
 | mixed community no phage control |  BHIS no phage control with stool-derived community from humanized mice (condition: pre-antibiotic, standard diet, mouse 2) |  -0.3 |  -1.5 |   compare | 
 | mixed community no phage control |  BHIS_CaCl2 no phage control with stool-derived community from humanized mice (condition: pre-antibiotic, MAC-deficient diet, mouse 2) |  -0.3 |  -1.5 |   compare | 
 | phage mixed community |  phage mixed community; hk phage cocktail 1 MOI; stool-derived community from humanized mice (condition: pre-antibiotic, standard diet, mouse 1) |  -0.3 |  -1.3 |   compare | 
 | mixed community no phage control |  BHIS no phage control with 14 member community |  -0.2 |  -1.4 |   compare | 
 | mixed community no phage control |  BHIS no phage control with stool-derived community from humanized mice (condition: pre-antibiotic, MAC-deficient diet, mouse 2) |  -0.2 |  -0.9 |   compare | 
 | phage mixed community |  phage mixed community; hk phage cocktail 1 MOI; stool-derived community from humanized mice (condition: pre-antibiotic, standard diet, mouse 1) |  +0.2 |  +0.9 |   compare | 
 | mixed community no phage control |  BHIS no phage control with 14 member community plus Klebsiella pneumoniae |  +0.2 |  +1.1 |   compare | 
 | mixed community no phage control |  BHIS no phage control with stool-derived community from humanized mice (condition: pre-antibiotic, MAC-deficient diet, mouse 1) |  +0.2 |  +1.3 |   compare | 
 | phage monoculture |  BHIS_CaCl2 with hk phage cocktail 1 MOI |  +0.2 |  +1.5 |   compare | 
 | mixed community no phage control |  BHIS no phage control with stool-derived community from humanized mice (condition: pre-antibiotic, MAC-deficient diet, mouse 2) |  +0.2 |  +1.0 |   compare | 
 | phage mixed community |  phage mixed community; hk phage cocktail 1 MOI; stool-derived community from humanized mice (condition: pre-antibiotic, MAC-deficient diet, mouse 1) |  +0.3 |  +1.3 |   compare | 
 | mixed community no phage control |  BHIS_CaCl2 no phage control with stool-derived community from humanized mice (condition: pre-antibiotic, standard diet, mouse 2) |  +0.3 |  +1.8 |   compare | 
 | mixed community no phage control |  BHIS no phage control with stool-derived community from humanized mice (condition: pre-antibiotic, standard diet, mouse 2) |  +0.4 |  +2.0 |   compare | 
 | phage mixed community |  phage mixed community; hk phage cocktail 1 MOI; 14 member community plus Klebsiella pneumoniae |  +0.4 |  +2.1 |   compare | 
 | no phage control |  BHIS_CaCl2 no phage control |  +0.5 |  +1.4 |   compare |