colon                package:survival                R Documentation

_C_h_e_m_o_t_h_e_r_a_p_y _f_o_r _S_t_a_g_e _B/_C _c_o_l_o_n _c_a_n_c_e_r

_D_e_s_c_r_i_p_t_i_o_n:

     These are data from one of the first successful trials of adjuvant
     chemotherapy for colon cancer. Levamisole is a low-toxicity
     compound previously used to treat worm infestations in animals;
     5-FU is a moderately toxic (as these things go) chemotherapy
     agent. There are two records per person, one for recurrence and
     one for death

_U_s_a_g_e:

     data(colon)

_F_o_r_m_a_t:


       id:        id
       study:     1 for all patients
       rx:        Treatment - Obs(ervation), Lev(amisole), Lev(amisole)+5-FU
       sex:       1=male
       age:       in years
       obstruct:  obstruction of colon by tumour
       perfor:    perforation of colon
       adhere:    adherence to nearby organs
       nodes:     number of lymph nodes with detectable cancer
       status:    censoring status
       differ:    differentiation of tumour (1=well, 2=moderate, 3=poor)
       extent:    Extent of local spread (1=submucosa, 2=muscle, 3=serosa, 4=contiguous structures)
       surg:      time from surgery to registration (0=short, 1=long)
       node4:     more than 4 positive lymph nodes
       time:      days until death
       etype:     1=recurrence,2=death

_S_o_u_r_c_e:

     Danyu Lin

