Table 4. Univariate and Multivariate logistic regression and ROC curve analysis of mucins and associated O-glycans for colorectal polyps classification.
Univariate Analysis | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Marker | Diagnosis | OR (95% CI) | p-value | AUC (95% CI) | Cutpoint | Sensitivity | Specificity | ||||||
MUC1 | SSA/P vs. HP | 0.411 (0.156, 1.084) | 0.072 | 0.6772 (0.5531, 0.8012) | <=0.30 | 0.487 | 0.848 | ||||||
SSA/P vs. TA | 0.188 (0.069, 0.509) | 0.001 | 0.7639 (0.6545, 0.8733) | <=0.60 | 0.744 | 0.722 | |||||||
MUC4 | SSA/P vs. HP | 0.324 (0.160, 0.657) | 0.0018 | 0.7257 (0.6089, 0.8425) | <=1.2 | 0.615 | 0.697 | ||||||
SSA/P vs. TA | 0.745 (0.395, 1.405) | 0.36 | 0.5630 (0.4319, 0.6942) | <=1.2 | 0.615 | 0.5 | |||||||
MUC17 | SSA/P vs. HP | 14.376 (3.664, 56.41) | 0.0001 | 0.7739 (0.6623, 0.8855) | >=0.8 | 0.667 | 0.909 | ||||||
SSA/P vs. TA | 5.990 (1.955, 18.346) | 0.0017 | 0.7222 (0.6047, 0.8397) | >=0.80 | 0.667 | 0.778 | |||||||
MUC2 | SSA/P vs. HP | 0.530 (0.210, 1.337) | 0.18 | 0.5960 (0.4640, 0.7279) | <=1.8 | 0.513 | 0.727 | ||||||
SSA/P vs. TA | 3.288 (1.573, 6.873) | 0.0016 | 0.6991 (0.5765, 0.8216) | >=1.60 | 0.718 | 0.583 | |||||||
MUC5AC | SSA/P vs. HP | 9.112 (2.912, 28.51) | 0.0001 | 0.7995 (0.6947, 0.9043) | >=0.9 | 0.769 | 0.727 | ||||||
SSA/P vs. TA | 21.755 (5.985, 79.078) | <0.0001 | 0.9081 (0.8320, 0.9842) | >=0.60 | 0.923 | 0.806 | |||||||
Tn/STn-MUC1 | SSA/P vs. HP | 0.870 (0.317, 2.390) | 0.79 | 0.5085 (0.3756, 0.6415) | <=0.8 | 0.179 | 0.939 | ||||||
SSA/P vs. TA | 2.472 (1.016, 6.016) | 0.046 | 0.6353 (0.5095, 0.7611) | >=1.2 | 0.795 | 0.444 | |||||||
CA19-9 | SSA/P vs. HP | 1.279 (0.746, 2.194) | 0.37 | 0.5287 (0.3907, 0.6668) | >2.1 | 0.333 | 0.606 | ||||||
SSA/P vs. TA | 54.383 (6.489, 455.7) | 0.0002 | 0.9551 (0.9095, 1.0000) | >=0.80 | 0.872 | 1 | |||||||
Multivariate Analysis | |||||||||||||
Diagnosis | Comparison | AUC | Lower | Upper | Threshold | Sensitivity | Specificity | ||||||
SSA/P vs. HP | MUC17+MUC5AC | 0.865 | 0.776 | 0.954 | P(SP)>= 0.4928 | 0.846 | 0.818 | ||||||
SSA/P vs. TA | MUC1+MUC17+CA19-9 | 0.9868 | 0.97 | 1 | P(SPT)>=0.385 | 0.923 | 0.972 |
HP, hyperplastic polyps; SSA/P, sessile serrated adenoma/polyps; TA, tubular adenoma; OR, odds ratio; AUC, area under curve; CI, confidence interval