Research Article

Application of Cox Proportional Hazards Model in Case of Tuberculosis Patients in Selected Addis Ababa Health Centres, Ethiopia

Table 5

Result of partial likelihood ratio test for those variables not significant in the univariable analysis fitted by being included in the model containing those variables significant in multivariable analysis one at a time.

Variables ( ) ( ) difference DFPr > ChiSq

Age + TBC + HIV1349.058
Age + TBC + HIV + gender1348.830 0.228 10.633
Age + TBC + HIV + weight1346.916 2.142 10.143
Age + TBC + HIV + TTB1348.302 0.736 20.692