Logistic regression analysis of pathological features of bone metastasis in colorectal cancer and related influencing factors after surgery

Table 1 Pathological characteristics of postoperative bone metastases in patients undergoing colorectal cancer surgery

Items		Cases (n = 44)	Proportion, %
Age, years	54.33 ± 8.45
Sex	Male	24	54.55
	Female	20	45.45
The primary location of the tumor	Colon	11	25.00
	Rectum	33	75.00
Tumor diameter, cm	4.02 ± 1.02
Osteopathic changes	Osteolytic	19	43.18
	Osteogenic	14	31.82
	Mixed bone destruction	11	25.00
Type of bone metastasis	Single type	15	34.09
	Multiple type	29	65.91
Infiltration depth	T1-T2	14	31.82
	T3-T4	30	68.18
Lymphatic metastasis	Yes	29	65.91
	No	15	34.09
Location of bone metastases	Skull	8	18.18
	Pelvis	18	40.91
	Trunk	6	13.64
	Four limbs	5	11.36
	Spinal column	7	15.91
Bone metastasis organs	Liver	11	25.00
	Lung	26	59.09
	Pancreas	7	15.91