Analyse Univariée

Analyse variable Volumefuite_tempsportal_cm3

n= 84, number of events= 27 
   (118 observations effacées parce que manquantes)

                               coef exp(coef) se(coef) robust se    z Pr(>|z|)
Volumefuite_tempsportal_cm3 0.07802   1.08114  0.07882   0.08042 0.97    0.332

                            exp(coef) exp(-coef) lower .95 upper .95
Volumefuite_tempsportal_cm3     1.081     0.9249    0.9235     1.266

Concordance= 0.662  (se = 0.053 )
Likelihood ratio test= 0.8  on 1 df,   p=0.4
Wald test            = 0.94  on 1 df,   p=0.3
Score (logrank) test = 1.01  on 1 df,   p=0.3,   Robust = 1.19  p=0.3

Interpretation : la p-value est de 0.33. Le HR est de 1.1 avec un intervalle de confiance compris entre 0.92 et 1.3.


Analyse multivariée : modèle à risques proportionnels de Cox

Modèle “complet”

                                              coef  exp(coef)   se(coef)  robust se      z Pr(>|z|)
SexeH                                    0.7669078  2.1530981  0.5172478  0.5464986  1.403    0.161
BMI                                     -0.0016906  0.9983109  0.0435304  0.0538337 -0.031    0.975
Indication_anticoagulantautre            0.4072577  1.5026912  0.6249086  0.6026230  0.676    0.499
Indication_anticoagulantMTEV            -0.0069918  0.9930326  0.6564751  0.7158463 -0.010    0.992
Indication_anticoagulantVALVE           -1.0663365  0.3442674  1.1405568  1.4720108 -0.724    0.469
Taille_de_hematome_grand_axe_mm         -0.0046200  0.9953907  0.0061502  0.0062011 -0.745    0.456
Surface_hematome_cm2                     0.0036217  1.0036283  0.0060260  0.0076685  0.472    0.637
Volume_hematome_cm3                      0.0004114  1.0004115  0.0007819  0.0009273  0.444    0.657
Recidive_hemorragie_apres_embolisation1  1.2259778  3.4074961  0.7215795  0.7909870  1.550    0.121
Nombre_de_fuites012                      0.6013273  1.8245389  0.5454037  0.5786975  1.039    0.299
Fuite_arterielle21                       0.0134124  1.0135028  0.5450344  0.4888952  0.027    0.978
Embolisation1                           -0.9110572  0.4020989  0.6991538  0.7455179 -1.222    0.222
Hematome_rompu1                          0.2788579  1.3216195  0.6388567  0.6931034  0.402    0.687

HR and confidence intervals

                                                       2.5 %    97.5 %
SexeH                                   2.1530981 0.73770610  6.284117
BMI                                     0.9983109 0.89834358  1.109402
Indication_anticoagulantautre           1.5026912 0.46122849  4.895797
Indication_anticoagulantMTEV            0.9930326 0.24413725  4.039178
Indication_anticoagulantVALVE           0.3442674 0.01922729  6.164158
Taille_de_hematome_grand_axe_mm         0.9953907 0.98336593  1.007563
Surface_hematome_cm2                    1.0036283 0.98865659  1.018827
Volume_hematome_cm3                     1.0004115 0.99859493  1.002231
Recidive_hemorragie_apres_embolisation1 3.4074961 0.72301287 16.059230
Nombre_de_fuites012                     1.8245389 0.58690104  5.672067
Fuite_arterielle21                      1.0135028 0.38875551  2.642246
Embolisation1                           0.4020989 0.09327106  1.733480
Hematome_rompu1                         1.3216195 0.33973143  5.141350

Modèle “complet” et variable volume de la fuite protale

                                              coef  exp(coef)   se(coef)  robust se      z Pr(>|z|)
SexeH                                    0.7251081  2.0649543  0.5217253  0.5480485  1.323    0.186
BMI                                     -0.0045146  0.9954955  0.0453670  0.0594752 -0.076    0.939
Indication_anticoagulantautre            0.4002628  1.4922169  0.6299284  0.6124297  0.654    0.513
Indication_anticoagulantMTEV             0.0533865  1.0548373  0.6578115  0.7234932  0.074    0.941
Indication_anticoagulantVALVE           -1.0768857  0.3406548  1.1486884  1.4690100 -0.733    0.464
Taille_de_hematome_grand_axe_mm         -0.0046874  0.9953236  0.0061661  0.0062071 -0.755    0.450
Surface_hematome_cm2                     0.0039649  1.0039727  0.0060343  0.0075426  0.526    0.599
Volume_hematome_cm3                      0.0003639  1.0003639  0.0008521  0.0009440  0.385    0.700
Recidive_hemorragie_apres_embolisation1  1.2745985  3.5772648  0.7414631  0.8387090  1.520    0.129
Nombre_de_fuites012                      0.6248169  1.8679040  0.5453768  0.5663653  1.103    0.270
Fuite_arterielle21                       0.0227899  1.0230516  0.5408863  0.4818800  0.047    0.962
Embolisation1                           -0.9319146  0.3937990  0.7296608  0.8144034 -1.144    0.253
Hematome_rompu1                          0.3514043  1.4210618  0.6520089  0.7365154  0.477    0.633
Volumefuite_tempsportal_cm3              0.0013674  1.0013684  0.1457579  0.1024980  0.013    0.989

HR and confidence intervals

                                                       2.5 %    97.5 %
SexeH                                   2.0649543 0.70535984  6.045193
BMI                                     0.9954955 0.88595957  1.118574
Indication_anticoagulantautre           1.4922169 0.44929424  4.956020
Indication_anticoagulantMTEV            1.0548373 0.25547413  4.355360
Indication_anticoagulantVALVE           0.3406548 0.01913775  6.063705
Taille_de_hematome_grand_axe_mm         0.9953236 0.98328816  1.007506
Surface_hematome_cm2                    1.0039727 0.98924002  1.018925
Volume_hematome_cm3                     1.0003639 0.99851481  1.002217
Recidive_hemorragie_apres_embolisation1 3.5772648 0.69125882 18.512347
Nombre_de_fuites012                     1.8679040 0.61555032  5.668205
Fuite_arterielle21                      1.0230516 0.39785109  2.630719
Embolisation1                           0.3937990 0.07980925  1.943104
Hematome_rompu1                         1.4210618 0.33549796  6.019162
Volumefuite_tempsportal_cm3             1.0013684 0.81911970  1.224166

Modèle “réduit”

                                      coef  exp(coef)   se(coef)  robust se      z Pr(>|z|)
Taille_de_hematome_grand_axe_mm -0.0038433  0.9961640  0.0055183  0.0047245 -0.813    0.416
Surface_hematome_cm2             0.0049178  1.0049299  0.0044603  0.0049383  0.996    0.319
Volume_hematome_cm3              0.0001887  1.0001887  0.0006385  0.0007524  0.251    0.802
Fuite_arterielle21               0.1221482  1.1299215  0.4367987  0.4049761  0.302    0.763
Hematome_rompu1                  0.3820241  1.4652474  0.4773975  0.4781926  0.799    0.424

HR and confidence intervals

                                             2.5 %   97.5 %
Taille_de_hematome_grand_axe_mm 0.996164 0.9869823 1.005431
Surface_hematome_cm2            1.004930 0.9952502 1.014704
Volume_hematome_cm3             1.000189 0.9987150 1.001665
Fuite_arterielle21              1.129922 0.5108954 2.498990
Hematome_rompu1                 1.465247 0.5739482 3.740669

Le modèle incluant la valeur du volume de la fuite portale:

                                      coef  exp(coef)   se(coef)  robust se      z Pr(>|z|)
Taille_de_hematome_grand_axe_mm -0.0033893  0.9966164  0.0055323  0.0047145 -0.719    0.472
Surface_hematome_cm2             0.0049927  1.0050052  0.0044370  0.0048805  1.023    0.306
Volume_hematome_cm3              0.0001326  1.0001327  0.0006487  0.0007466  0.178    0.859
Fuite_arterielle21               0.1241745  1.1322134  0.4495872  0.4243021  0.293    0.770
Hematome_rompu1                  0.3762612  1.4568276  0.4837781  0.4892275  0.769    0.442
Volumefuite_tempsportal_cm3      0.0228928  1.0231569  0.0947079  0.0867626  0.264    0.792

HR and confidence intervals

                                             2.5 %   97.5 %
Taille_de_hematome_grand_axe_mm 0.9966164 0.9874499 1.005868
Surface_hematome_cm2            1.0050052 0.9954376 1.014665
Volume_hematome_cm3             1.0001327 0.9986701 1.001597
Fuite_arterielle21              1.1322134 0.4929033 2.600728
Hematome_rompu1                 1.4568276 0.5584406 3.800488
Volumefuite_tempsportal_cm3     1.0231569 0.8631570 1.212815