Table 2

Univariate analysis of potential risk factors for patients with persistent or recurrent disease, n

Clinical dataRecurrence group (n=30)Control group (n=35)χ2P
Age (years)0.0320.857
 ≤353 (10.0)2 (5.7)
 >3527 (90.0)33 (94.3)
Stage2.6810.262
 IB3 (10.0)1 (2.9)
 II18 (60.0)27 (77.1)
 III9 (30.0)7 (20.0)
Tumor size (cm)0.7070.401
 ≤421 (70.0)21 (60.0)
 >49 (30.0)14 (40.0)
Lymph node19.726<0.001
 Positive20 (66.7)5 (16.7)
 Negative10 (33.3)30 (83.3)
SCCAg (ng/mL)7.050.005
 ≤1016 (53.3)7 (20.0)
 >1014 (46.6)28 (80.0)
Radiation time (d)01
 ≤5626 (86.7)31 (88.6)
 >564 (13.3)4 (11.4)
Radiation dose (Gy)0.495
 ≤8630 (100)33 (94.3)
 <860 (0)2 (5.7)
Cycles of chemotherapy0.3720.542
 ≤424 (80.0)31 (88.6)
 <46 (20.0)4 (11.4)