Skip to main content

Table 4 Modeling the risk of cardiac events. Estimate of the regression coefficients with SE in the parenthesis

From: Performance of Firth-and logF-type penalized methods in risk prediction for small or sparse binary data

  Modeling the risk of MI
  MLE FIRTH logF(1,1) logF(2,2) RIDGE
Dobutamine EF -0.0503 -0.0492 -0.0508 -0.0513 -0.0413
  (0.0183) (0.0178) (0.0183) (0.0182) (0.0161)
Positive DSE 1.272 1.241 1.185 1.109 0.994
  (0.549) (0.531) (0.533) (0.518) (0.469)
Hist. of HT 1.115 0.923 0.973 0.866 0.657
  (0.789) (0.716) (0.716) (0.662) (0.542)
Intercept -1.253 -1.028 -1.057 -0.901 -1.243
  (1.351) (1.284) (1.307) (1.275) (1.132)
  Modeling the risk of CABG
Dobutamine EF -0.0634 -0.0506 -0.0518 -0.0523 -0.0420
  (0.0181) (0.0177) (0.0181) (0.0181) (0.0161)
Positive DSE 1.568 1.190 1.137 1.068 0.971
  (0.551) (0.529) (0.531) (0.516) (0.468)
Intercept 0.272 -0.224 -0.206 -0.145 -0.683
  (1.122) (1.120) (1.140) (1.131) (1.029)
  Modeling the risk of PTCA
Positive DSE 0.825 0.820 0.770 0.722 0.579
  (0.498) (0.481) (0.483) (0.470) (0.409)
Base EF -0.0381 -0.0375 -0.0389 -0.0396 -0.0306
  (0.0204) (0.0198) (0.0202) (0.0201) (0.0168)
Hist. of MI 1.168 1.125 1.118 1.072 0.867
  (0.533) (0.517) (0.515) (0.499) (0.412)
Hist of PTCA 1.304 1.310 1.211 1.127 1.087
  (0.617) (0.591) (0.602) (0.588) (0.555)
Intercept -1.754 -1.661 -1.646 -1.548 -1.809
  (1.184) (1.151) (1.167) (1.153) (0.968)
  Modeling the risk of cardiac death
Positive DSE 1.084 1.061 1.026 0.974 0.873
  (0.489) (0.474) (0.478) (0.467) (0.436)
Hist. of DM 1.083 1.047 1.025 0.973 0.784
  (0.495) (0.480) (0.481) (0.468) (0.419)
Age 0.0347 0.0328 0.0344 0.0342 0.0229
  (0.0240) (0.0236) (0.0238) (0.0236) (0.0188)
Intercept -6.040 -5.783 -5.965 -5.899 -4.960
  (1.787) (1.750) (1.769) (1.753) (1.379)
Positive DSE 1.064 1.045 1.047 0.989 0.940
  (0.332) (0.327) (0.327) (0.264) (0.248)
Dobutamine EF -0.0381 -0.0372 -0.0384 -0.0364 -0.0333
  (0.0131) (0.0128) (0.0130) (0.0103) (0.00941)
  Modeling the risk of any cardiac event
Rest WMA -0.779 -0.758 -0.755 -0.839 -0.762
  (0.429) (0.421) (0.419) (0.336) (0.293)
Hist. of HT 0.823 0.781 0.794 0.728 0.632
  (0.393) (0.384) (0.384) (0.302) (0.276)
Intercept 0.107 0.115 0.151 0.0102 -0.0980
  (0.833) (0.818) (0.829) (0.655) (0.611)