Retrospective Cohort Study
Copyright ©The Author(s) 2016.
World J Gastrointest Surg. Oct 27, 2016; 8(10): 693-699
Published online Oct 27, 2016. doi: 10.4240/wjgs.v8.i10.693
Table 3 Different treatments
TotalTreatment
Univariate analysis P valueMultivariate analysis
AppendectomyConservativeOR (95%CI)P value
n (%)1654415661 (94.7)883 (5.3)
Age24.51 (16.17)24.39 (15.98)26.68 (19.04)< 0.00011.006 (0.999-1.013)0.095
SexM: 54.7%M: 54.6%M: 56.1%0.424
Charlson's0.32 (0.92)0.31 (0.90)0.51 (1.26)< 0.00010.826 (0.703-0.868)< 0.0001
Year-0.33 (Pearson Correlation)< 0.00010.973 (0.959-0.986)< 0.0001
Time to surgery (d)0.85 (1.46)
Length of stay (d)5.02 (2.92)5.08 (2.88)3.98 (3.46)< 0.0001
Mortality7 (< 0.0001%)6 (< 0.0001%)1 (0.1%)0.292
Relapse1.20%23.10%< 0.0001
Time to relapse (mo)Mean30 (45)6.5 (15)< 0.0001
Time to relapse (mo)Median11 (1.17-49)1 (0.16-6.63)
number of hospitalization1.03 (0.18)1.01 (0.13)1.26 (0.47)< 0.0001
Cumulative LOS5.20 (3. 56)5.19 (3.36)5.47 (6.05)0.02