> out[["res"]][["beta"]]
        (Intercept)     treatB     treatC
ko00110   8.8459638 -0.0344980462 -0.063186393
ko00120   8.4629173  0.4179221122  0.523382327
ko00130   9.2940906  0.0069574660 -0.044551101
ko00140   8.2434164  0.3000546169  0.273008541
ko00151   8.6850287  0.1483358507  0.116369274