

pbc(survival5)                               R Documentation

_M_a_y_o _C_l_i_n_i_c _P_r_i_m_a_r_y _B_i_l_i_a_r_y _C_i_r_r_h_o_s_i_s _D_a_t_a

_D_e_s_c_r_i_p_t_i_o_n_:

     Followup of 312 randomised and 108 unrandomised
     patients with primary biliary cirrhosis, a rare autoim-
     mune liver disease, at Mayo Clinic.

_U_s_a_g_e_:

     data(pbc)

_F_o_r_m_a_t_:

     age:          in years
      alb:         serum albumin
      alkphos:     alkaline phosphotase
      ascites:     presence of ascites
      bili:        serum bilirunbin
      chol:        serum cholesterol
      edema:       presence of edema
      edtrt:       0 no edema, 0.5 untreated or successfully treated
                   1 unsuccessfully treated edema
      hepmeg:      enlarged liver
      time:        survival time
      platelet:    platelet count
      protime:     standardised blood clotting time
      sex:         1=male
      sgot:        liver enzyme (now called AST)
      spiders:     blood vessel malformations in the skin
      stage:       histologic stage of disease (needs biopsy)
      status:      censoring status
      trt:         1/2/-9 for control, treatment, not randomised
      trig:        triglycerides
      copper:      urine copper

_S_o_u_r_c_e_:

     Fleming TR, Harrington DP. "Counting Processes and Sur-
     vival Analysis" Wiley:New York

