Table 2.

COX regression analysis on relevant clinical parameters to identify prognostic factors for overall survival in this cohort

Parameter estimates	Variable	Estimate	95% CI (profile likelihood)
β1	underlying other diseases	0.3508	−1.013 to 1.889
β2	age	0.03443	−0.02035 to 0.09144
β3	GPA	−0.2243	−0.9822 to 0.5268
β4	PVS Scoring CSO	−0.8237	−1.674 to −0.07919
β5	PVS Scoring BG	0.2215	−0.5791 to 1.003

Hazard ratios	Variable	Estimate	95% CI (profile likelihood)
exp(β1)	underlying other diseases	1.420	0.3632 to 6.610
exp(β2)	age	1.035	0.9799 to 1.096
exp(β3)	GPA	0.799	0.3745 to 1.693
exp(β4)	PVS Scoring CSO	0.438	0.1875 to 0.9239
exp(β5)	PVS Scoring BG	1.248	0.5604 to 2.726

Data summary
Rows in the table	26
Rows skipped (missing data)	0
Rows analyzed (#observations)	26
Number of ties	0
Number of censored	9
Number of deaths/events	17
Ratio	0.529
Number of censored	9
Number of observations	26
Ratio	0.340
Number of deaths/events	17
Number of parameter estimates	5
Ratio	3.400

GPA Graded Prognostic Assessment.