Table 2.

Different risk factors under univariate analysis according to COX-2 status

Table-2		COX-2 positive		COX-2 negative		Odds ratio (OR) with 95 % CI and p-values
		No of patients	Percentage (%)	No of patients	Percentage (%)
Menopausal status	Premenopausal	40	76.9	12	23.1	2.74(1.00,7.54); p = 0.04*
	Postmenopausal	64	90.1	7	9.9
Age (years)	≤50	52	78.8	14	21.1	2.80(0.94, 8.33); p = 0.06
	>50	52	91.2	5	8.8
Stage	Early (I, II)	21	75.0	7	25	2.30(0.81, 6.57); p = 0.11
	Advance (III, IV)	83	87.4	12	12.6
Tumor size (cm)	≤ 2.5	12	57.1	9	42.9	6.90(2.33, 20.37); p < 0.001*
	>2.5	92	90.2	10	9.8
Lymph node metastasis	No Node	4	26.7	11	73.3	34.37(8.89, 132.88); p < 0.001*
	Node Positive	100	92.6	8	7.4
ER	Positive	38	70.4	16	29.6	9.26(2.53, 33.85); p < 0.001*
	Negative	66	95. 7	3	4.3
PR	Positive	28	68.3	13	31. 7	5.88(2.03, 16.97); p < 0.001*
	Negative	76	92.7	6	7.3

* Statistically significant