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. 2019 Jun 17;7:e7002. doi: 10.7717/peerj.7002

Table 1. Differential expression levels of traditional tumor markers in plasma of GC, Pre and health controls.

GC Pre Pre vs NC NC GC vs NC
n mean ± SD n mean ± SD pvalue n mean ± SD pvalue
AFP 85 (26.14 ± 133.56) 66 (3.32 ± 1.72) 0.0505 45 (3.69 ± 1.25) 0.3002
CEA 85 (32.23 ± 128.76) 66 (1.82 ± 1.39) 0.3122a 45 (2.08 ± 1.20) 0.0011
Ferritin 80 (281.08 ± 383.42) 61 (270.11 ± 302.39) 0.1270a 45 (185.67 ± 237.46) 0.9908
CA125 68 (59.22 ± 92.72) 53 (12.50 ± 7.78) 0.9363 45 (11.07 ± 4.05) 0.0091
CA153 67 (13.44 ± 17.70) 50 (10.41 ± 5.45) 0.0065a 45 (13.67 ± 5.83) 0.0049
CA199 83 (107.03 ± 251.90) 57 (13.95 ± 12.37) 0.1071 45 (14.58 ± 8.22) 0.0705
CA211 62 (16.15 ± 44.84) 40 (2.96 ± 1.40) <0.0001 45 (2.09 ± 0.48) 0.0002
CA242 66 (19.17 ± 39.24) 45 (4.92 ± 4.8) 0.2976a 36 (6.14 ± 5.48) 0.1425
CA50 77 (38.01 ± 99.02) 48 (8.18 ± 5.97) 0.0101a 34 (4.91 ± 4.46) 0.0089
CA724 75 (15.12 ± 38.23) 44 (2.49 ± 2.87) 0.2347a 26 (3.32 ± 2.59) 0.2049

Notes.

a

For these categorical variables, the p value were calculated by Student’s t-test. Mann–Whitney U test was used to determine other categorical variables with statistical significance at the level of p < 0.05.