Table 1.

Analysis of multiple factors associated with PET SUVmax

Variables	N(%)	SUVmax	P value
Gender			0.216
Male	85(67.5)	14.65±5.61
Female	41(32.5)	13.52±6.86
Age			0.379
≥60 years	47(37.3)	14.95±7.01
<60 years	79(62.7)	13.89±5.32
Tumor Location			0.792
Proximal colon	48(38.1)	14.59±6.17
Distal colon	48(38.1)	14.38±6.30
rectum	30(23.8)	13.64±5.53
Differentiation			0.488
good	2(1.6)	9.45±3.32
moderate	70(55.5)	14.54±6.42
poor	54(42.9)	14.12±5.58
Clinical Staging			0.222
I	7(5.6)	9.93±3.47
II	36(28.6)	14.95±7.11
III	32(25.4)	13.89±5.41
IV	51(40.4)	14.65±5.75
T staging			0.334
1	3(2.4)	8.90±1.91
2	6(4.7)	12.32±3.84
3	39(31.0)	14.90±7.28
4	78(61.9)	14.33±5.51
N staging			0.581
Negative(N0)	53(42.1)	14.64±6.86
Positive(N1-3)	73(57.9)	14.02±5.40
M staging			0.546
Negative(M0)	75(59.5)	14.03±6.25
Positive(M1)	51(40.5)	14.65±5.75
Tumor Size			0.0001*
<5cm	64(50.8)	12.15±4.17
≥5cm	62(49.2)	16.48±6.86

Note: 126 colorectal cancer patients were analyzed. *: P < 0.05