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. 2016 Mar 29;11(3):e0151815. doi: 10.1371/journal.pone.0151815

Fig 3. Kaplan-Meier estimates of progression-free and overall survival according to MMP9 expression and treatment groups.

Fig 3

(A, B) Kaplan–Meier survival analysis indicated that patients treated with RT combined with TMZ therapy (n = 28) had better OS and PFS (OS: p = 0.0002; PFS: p = 0.0002) than patients with RT alone (n = 11) in low MMP9 group (n = 39). (C, D) However, in the high MMP9 group (n = 39), there was no significant survival benefit of the combination treatment (RT alone: n = 17; RT combined TMZ: n = 22).