Retrospective Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Aug 16, 2021; 9(23): 6734-6746
Published online Aug 16, 2021. doi: 10.12998/wjcc.v9.i23.6734
Table 3 Survival by year and cost of living index group
COLI group
Survival in mo (95%CI)
P value
2007-2015
2007-2009
2010-2012
2013-2015
≤ 901 8 (7-8)6 (6-7)7 (7-8)9 (8-10)< 0.001
902-104410 (10-11)8 (7-9)11 (10-11)13 (12-13)
1048-116911 (11-12)9 (8-10)12 (11-13)13 (13-14)
≥ 117014 (14-15)12 (11-13)14 (13-16)16 (15-18)