Table 1

Comparative analysis of the clinicopathological parameters in the young groups and old groups
Parameters Young (n %) Old (n %) x2 P
Tumor size 7.053 0.029 *
≤2 cm 64 (35.4) 81 (43.5)
>2 cm ≤5 cm 94 (51.9) 95 (51.1)
>5 cm 23 (12.7) 10 (5.4)
Pathological grading 21.354 0.0001*
I 4 (2.9) 19 (12.1)
II 97 (69.3) 122 (77.7)
III 39 (27.9) 16 (10.2)
PTNM 18.290 0.0001*
0~I 32 (17.7) 59 (31.7)
II 89 (49.2) 97 (52.2)
III 60 (33.1) 30 (16.1)
Axillary lymph node metastasis 18.707 0.0001*
yes 106 (58.6) 67 (36.0)
No 75 (41.4) 119 (64.0)
Axillary lymph node 20.801 0.0001*
Transferring positive number
0 75 (41.4) 119 (64.0)
1~3 47 (26.0) 37 (19.9)
4~9 28 (15.5) 16 (8.6)
≥10 31 (17.1) 14 (7.5)

Note: *, P < 0.05.

Zhang et al.

Zhang et al. Diagnostic Pathology 2012 7:181   doi:10.1186/1746-1596-7-181

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