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. 2014 Jun 30;9(6):e101004. doi: 10.1371/journal.pone.0101004

Table 8. Impact of expression of enzymes associated with serine/glycine metabolism on disease-free and overall survival tested by log-rank analysis.

Parameters Number of patients/recurrence/death Disease-free survival Overall survival
Mean survival (95% CI) months P-value Mean survival (95% CI) months P-value
PHGDH in tumor 0.137 0.019
Negative 452/36/31 128 (125–132) 132 (129–135)
Positive 257/27/28 120 (113–127) 123 (118–128)
PSAT1 in tumor 0.507 0.225
Negative 526/43/38 126 (123–129) 129 (126–132)
Positive 183/20/21 124 (118–130) 127 (122–132)
PSPH in tumor 0.042 0.005
Negative 611/50/45 128 (125–131) 131 (128–133)
Positive 98/13/14 107 (99–115) 117 (108–126)
PSPH in stroma 0.097 0.004
Negative 625/52/46 126 (122–130) 131 (128–133)
Positive 84/11/13 117 (107–127) 116 (106–125)
SHMT1 in tumor 0.208 0.091
Negative 598/50/46 127 (124–130) 130 (127–133)
Positive 111/13/13 121 (112–130) 125 (117–132)
SHMT1 in stroma 0.107 0.020
Negative 310/34/35 121 (115–127) 126 (121–130)
Positive 399/29/24 128 (124–132) 131 (128–134)
GLDC in tumor 0.049 0.377
Negative 370/42/36 122 (116–127) 129 (125–132)
Positive 339/21/23 130 (126–134) 131 (127–135)
GLDC in stroma 0.568 0.951
Negative 621/54/52 126 (122–130) 130 (127–132)
Positive 88/9/7 115 (106–124) 123 (116–130)