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Table. 5.

Table. 5.

Negative binomial regression analysis according to cumulative analgesic consumption score

Variables Descriptions IRR(a) 95% CI(b) p
Socio-demographic
Age <50 1 - -
≥50 1.848 1.564-2.184 0.000
Income quintile 0.964 0.938-0.991 0.008
Number of hospitalizations 1.003 0.999-1.007 0.161
Duration of disease (years) 1.000 1.000-1.000 0.000
Indicator
BMI * <23 1 - -
23~25 1.140 0.933-1.397 0.197
≥25 1.479 1.222-1.795 0.000
CCI ≤2 1 - -
3 1.100 0.895-1.360 0.371
≥4 1.649 1.344-2.036 0.000
Operation
Mastectomy No 1 - -
Yes 0.838 0.669-1.047 0.101
Lymph node dissection No 1 - -
Yes 1.106 0.904-1.356 0.320
Therapy
Chemotherapy No 1 - -
Yes 1.095 0.888-1.356 0.395
Radiation therapy No 1 - -
Yes 1.153 0.950-1.398 0.131
Complication
Lymphedema No 1 - -
Yes 1.267 1.006-1.610 0.047

* BMI: Body Mass Index, CCI: Charlson Comorbidity Index

(a)IRR: Incidence Rate Ratio, (b)CI: Confidential Interval

Korean J Clin Pharm 2021;31:115-24 https://doi.org/10.24304/kjcp.2021.31.2.115
© 2021 Korean J Clin Pharm