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. 2015 Feb 26;10(2):e0115153. doi: 10.1371/journal.pone.0115153

Table 8. Univariate analysis of metabolism phenotypes in pancreatic cancers and overall survival by log-rank test.

Metabolism phenotypes Number of patients/death Overall survival
Mean survival(95% CI), months P-value
Glucose-dependent metabolic status 0.018
Warburg type 46/36 18(13 to 23)
Reverse Warburg type 15/11 30(21 to 40)
Mixed type 16/14 13(9 to 18)
Null type 29/18 27(19 to 36)
Glutamine-dependent metabolic status <0.001
Canonical type 18/14 31(23 to 39)
Non-canonical type 74/55 19(14 to 23)
Mixed type 5/5 6(4 to 8)
Null type 9/5 37(23 to 51)
Categories of metabolism* 0.021
Glutamine-dependent metabolism 26/17 29(21 to 41)
Glucose-dependent metabolism 6/4 37(22 to 45)
Mixed type 71/57 19(15 to 23)
Null type 3/1 51(39 to 65)
No. of metabolism types # <0.001
Zero type 3/1/ 51(39 to 65)
One type 31/20 29(17 to 35)
Two types 53/41 21(16 to 26)
Three types 18/16 12(8 to 16)
Four types 1/1 3(3 to 3)

* Glutamine-dependent type (tumors only rely on glutamine-dependent metabolism), glucose-dependent type (tumors only rely on glucose-dependent metabolism), mixed type (tumors rely on both glucose- and glutamine-dependent metabolism), and null type (tumors show no sign of glucose- or glutamine-dependent metabolism)

#Metabolism types refer to cross combination among glucose- and glutamine-dependent metabolisms. Mixed types were composed of two main types of metabolism (i.e. Warburg effect and Reverse Warburg effect, Canonical type and Non-canonical type), and the null types were not composed of zero type in glucose- and glutamine-dependent metabolism (i.e. neither Warburg effect nor Rev erse Warburg effect, neither Canonical type nor Non-canonical type).