Table 7.

Results of coefficient estimation for survival time of failure.

Variable Name (1–7)	ZDV	ZDV+ddI	ZDV+Zal	ddI
Age	0.04	−0.11	0.04	0.03
Weight	0.11	0.02	0.02	−0.14
Karnofsky Score	0.06	0.03	−0.09	0.01
CD4 baseline	−0.04	0.04	−0.00	0.00
Days preantiretroviral therapy	0.09	−0.07	−0.04	0.02
Hemophilia	0.05	−0.06	0.16	−0.15
Homosexual activity	0.00	0.00	0.00	0.00
History of drug use	0.04	−0.11	−0.12	0.18
Race	0.03	−0.04	0.01	0.01
Gender	0.31	−0.08	−0.16	−0.07
Antiretroviral history	0.17	−0.15	0.04	−0.06
Symptomatic Indicator	0.00	0.00	0.00	0.00