Variable CYFRA 21-1(ng/ml) P-value CEA (ng/ml) P-value
Type of NSCLC
Squamous cell (n=18) 16.21  ±  16.6 0.03 6.49 ± 9.3 0.01
Adenocarcinoma (n=22) 4.63  ±  3.31 60.2 ± 79.4
Stage of NSCLC
Stage II (n=7) 3.45 ± 4.98 0.001 3.65 ± 4.46 0.005
Stage III (n=24) 8.91 ± 9.17 12.01 ± 17.6
Stage IV (n=9) 28.32 ± 12.58 81.4 ± 77.01
Performance status
<2(n=25) 3.49 ± 2.26 0.01 3.48 ± 2.97 0.001
≥ 2(n=15) 21.95 ± 15.02 79.89 ± 78.79
Sex
Males (n=30) 6.88 ± 7.49 0.44 29.01 ± 61.18 0.98
Females (n=10) 15.86 ± 19.27 25.55 ± 39.58
Table 3: CYFRA 21-1 and CEA levels according to clinical variables.