Research Article

The Exploration of Peptide Biomarkers in Malignant Pleural Effusion of Lung Cancer Using Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry

Table 2

The 28 significant peptide peaks of malignant and tuberculosis pleural effusion in training set.

Peaks area of MPE
()
Peaks area of TPE
()
valueState

917.3722.25 ± 8.73010.56 ± 4.680<0.001
4469.39562.6 ± 326.2184.1 ± 247.9<0.001
1466.523.23 ± 16.648.200 ± 4.920<0.001
2790.3618.63 ± 11.209.450 ± 3.8100.002
861.5142.70 ± 25.6721.08 ± 13.800.003
867.5821.04 ± 19.096.640 ± 3.1200.003
3443.5597.05 ± 118.3683.1 ± 676.50.004
805.3110.11 ± 6.7504.980 ± 2.8900.004
871.4540.18 ± 21.3221.96 ± 17.910.011
3372.478.46 ± 73.91468.1 ± 530.70.013
3487.4840.72 ± 55.10307.2 ± 365.80.013
4791.9193.21 ± 128.613.31 ± 11.170.013
4778.4125.34 ± 31.986.270 ± 4.7900.016
3428.5810.43 ± 7.26054.79 ± 65.530.021
4309.668.720 ± 3.50013.89 ± 7.3700.021
3401.2820.83 ± 16.57102.1 ± 122.50.021
3356.859.340 ± 4.42039.34 ± 46.300.022
1795.9334.24 ± 27.7817.47 ± 12.820.022
4204.2413.23 ± 11.9127.21 ± 19.940.022
3329.5414.51 ± 6.16044.98 ± 47.450.022
877.6387.30 ± 64.5150.13 ± 27.820.025
4215.4910.39 ± 9.94019.76 ± 13.650.030
4585.2121.55 ± 10.8114.84 ± 7.3600.032
2234.1948.70 ± 57.9017.99 ± 22.070.035
4247.8588.60 ± 79.24254.6 ± 282.20.036
4356.0452.36 ± 41.31179.4 ± 226.50.044
4540.2932.01 ± 20.1020.98 ± 11.720.044
4327.255.980 ± 2.1208.310 ± 3.9300.044

signals showed a higher peak area in MPE.
signals showed a lower peak area in MPE.