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. Author manuscript; available in PMC: 2010 May 15.
Published in final edited form as: Cancer Res. 2009 Nov 3;69(22):8585–8593. doi: 10.1158/0008-5472.CAN-09-2284

(A) Table 1. Clinical characteristics of cervical cancer patients grouped by KCC4 grading.

Characteristic Low grade
(N=36)		 High grade
(N=44)		 P value
Age – year
 Mean 51 49 0.65
 Range 31 - 66 37 - 69
Histology - no. (%)
 Squamous cell carcinoma 30 (83%) 37 (84%) 1.0
 Adenocarcinoma 6 (17%) 7 (16%)
FIGO staging - no. (%)
 Ib 36 (100%) 41 (93%) 0.25
 IIa 0 (0%) 3 (7%)
Parametrium invasion - no. (%) 2 (6%) 22 (50%) P<0.0001
Lymph node metastasis - no. (%) 3 (8%) 23 (52%) P<0.0001

Low grade indicates that the distribution of KCC4 staining is less than 50% of tumor area, whereas high grade indicates that the distribution of KCC4 staining is more than 50% of tumor area. Unpaired t test or Chi-square test was used for statistical analyses.