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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Surg Oncol. 2014 Feb 20;23(2):46–52. doi: 10.1016/j.suronc.2014.02.001

TABLE III.

Median Survival Times

Median Survival Time Std. Error 95% Confidence Interval Log Rank Scorec
Lower Limit Upper Limit
Raceb Overall A 10.000 0.691 8.645 11.355 0.246
W 12.000 0.418 11.181 12.819
SESa 1 2 3 4
SESa Overall  1 12.000 0.988 10.064 13.936 0.598 0.222 0.015
 2 12.000 0.764 10.502 13.498 0.344 0.019
 3 11.000 0.516 9.988 12.012 0.071
 4 9.000 1.033 6.975 11.025
SESa
Stratified by Raceb
1 A 14.000 1.980 10.120 17.880 0.485
W 16.000 1.157 13.732 18.268
2 A 9.000 1.638 5.789 12.211 0.247
W 14.000 1.927 10.223 17.777
3 A 9.000 1.083 6.877 11.123 0.475
W 9.000 0.473 8.073 9.927
4 A 21.000 12.897 0.000 46.278 0.246
W 14.000 3.309 7.514 20.486
SESa 1 2 3 4
Raceb
Stratified by SESa
A  1 7.000 1.035 4.971 9.029 0.306 0.871 1.000
 2 13.000 2.601 7.901 18.099 0.122 0.041
 3 10.000 1.081 7.881 12.119 0.562
 4 9.000 1.196 6.655 11.345
W  1 13.000 0.945 11.148 14.852 0.424 0.244 0.029
 2 12.000 0.771 10.488 13.512 0.641 0.048
 3 11.000 0.569 9.884 12.116 0.071
 4 8.000 2.534 3.034 12.966
a

Socioeconomic Status: SES 1 = “wealthiest”; SES 4 = “poorest”

b

Race: A = African-American; W = Non-Hispanic White

c

Log rank score <0.050 interpreted as being significant