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. 2023 Feb 28;14(2):869–878. doi: 10.1002/jcsm.13199

Table 4.

Logistic regression analysis of inflammatory burden index associated with secondary outcomes

90‐day outcomes
IBI Model a P value Model b P value Model c P value
Continuous (per SD) 2.049 (1.727,2.431) <0.001 1.839 (1.541,2.196) <0.001 1.789 (1.489,2.151) <0.001
Cut‐off value <0.001 <0.001 <0.001
C1 (<17) ref ref ref
C2 (≥17) 6.564 (4.13,10.432) 4.551 (2.834,7.309) 4.037 (2.497,6.527) <0.001
Quartiles
Q1 (<5.23) ref ref ref
Q2 (5.23–16.38) 0.564 (0.234,1.357) 0.2011 0.453 (0.186,1.101) 0.080 0.410 (0.168,1.004) 0.051
Q3 (16.38–80.63) 2.069 (1.075,3.984) 0.0295 1.439 (0.738,2.805) 0.286 1.152 (0.584,2.274) 0.683
Q4 (≥80.63) 8.398 (4.714,14.961) <0.001 4.733 (2.604,8.602) <0.001 3.876 (2.114,7.105) <0.001
P for trend <0.001 <0.001 <0.001
Length of hospitalization (≥14 days), excluding patients with infectious complication (61 cases)
IBI Model a P value Model b P value Model c P value
Continuous (per SD) 1.103 (0.957,1.271) 0.175 1.101 (0.954,1.27) 0.187 1.099 (0.95,1.271) 0.204
Cut‐off value <0.001 <0.001 <0.001
C1 (<17) ref ref ref
C2 (≥17) 1.563 (1.277,1.911) 1.604 (1.299,1.981) 1.560 (1.256,1.938)
Quartiles
Q1 (<5.23) ref ref ref
Q2 (5.23–16.38) 1.165 (0.865,1.569) 0.269 1.168 (0.865,1.577) 0.311 1.146 (0.846,1.554) 0.379
Q3 (16.38–80.63) 1.471 (1.099,1.968) 0.010 1.497 (1.111,2.016) 0.008 1.430 (1.053,1.941) 0.022
Q4 (≥80.63) 1.944 (1.46,2.588) <0.001 2.065 (1.527,2.793) <0.001 1.993 (1.462,2.717) <0.001
P for trend <0.001 <0.001 <0.001
Hospitalization expenses (≥20 000 RMB)
IBI Model a P value Model b P value Model c P value
Continuous (per SD) 1.212 (1.056,1.392) 0.006 1.206 (1.049,1.386) 0.009 1.198 (1.04,1.381) 0.012
Cut‐off value <0.001 <0.001 <0.001
C1 (<17) ref ref ref
C2 (≥17) 1.468 (1.21,1.782) 1.486 (1.214,1.820) 1.476 (1.195,1.822)
Quartiles
Q1 (<5.23) ref ref ref
Q2 (5.23–16.38) 1.410 (1.061,1.872) 0.018 1.434 (1.077,1.909) 0.014 1.443 (1.077,1.934) 0.014
Q3 (16.38–80.63) 1.470 (1.108,1.951) 0.008 1.514 (1.134,2.023) 0.005 1.498 (1.110,2.023) 0.008
Q4 (≥80.63) 2.060 (1.560,2.720) <0.001 2.159 (1.611,2.895) <0.001 2.146 (1.582,2.910) <0.001
P for trend <0.001 <0.001 <0.001
Cachexia
IBI Model a P value Model b P value Model c P value
Continuous (per SD) 1.388 (1.200,1.606) <0.001 1.237 (1.063,1.439) 0.006 1.223 (1.047,1.427) 0.011
Cut‐off value <0.001 <0.001 <0.001
C1 (<17) ref ref ref
C2 (≥17) 2.263 (1.831,2.795) 1.796 (1.423,2.267) 1.741 (1.374,2.207)
Quartiles
Q1 (<5.23) ref ref ref
Q2 (5.23–16.38) 1.184 (0.852,1.645) 0.3149 1.138 (0.801,1.616) 0.470 1.124 (0.790,1.599) 0.517
Q3 (16.38–80.63) 1.84 (1.346,2.517) <0.001 1.593 (1.138,2.232) 0.007 1.529 (1.086,2.154) 0.015
Q4 (≥80.63) 3.418 (2.528,4.623) <0.001 2.403 (1.724,3.351) <0.001 2.318 (1.654,3.248) <0.001
P for trend <0.001 <0.001 <0.001

Model a: No adjusted. Model b: Adjusted for age, sex, BMI, TNM stage. Model c: Adjusted for age, sex, BMI, TNM stage, surgery, radiotherapy, chemotherapy, hypertension, diabetes, smoking, drinking, family history.