Analysis the incidence and related risk factors of depression in patients with esophageal cancer combined with bone metastasis

Table 2 Comparison of disease data between the two groups, n (%)

Disease data	Depression group (n = 42)	Non-occurrence group (n = 58)	χ²	P value
Tumor location			0.419	0.811
Upper segment	6 (14.29)	10 (17.24)
Middle segment	28 (66.67)	35 (60.34)
Lower segment	8 (19.05)	13 (22.41)
Tumor type			0.027	0.870
Squamous cell carcinoma	32 (76.19)	45 (77.59)
Adenocarcinoma	10 (23.81)	13 (22.41)
Surgical treatment			0.039	0.843
Yes	4 (9.52)	5 (8.62)
No	38 (90.48)	53 (91.38)
Number of bone metastases			0.201	0.654
> 3 lesions	22 (52.38)	33 (56.90)
≤ 3 lesions	20 (47.62)	25 (43.10)
Site of bone metastases			0.066	0.797
Axial bones (pelvis, spine)	25 (59.52)	36 (62.07)
Peripheral bones	17 (40.48)	22 (37.93)
Clinical stage			0.164	0.685
Stage I–II	20 (47.62)	30 (51.72)
Stage III–IV	22 (52.38)	28 (48.28)
Skeletal-related events			0.041	0.839
Yes	8 (19.05)	12 (20.69)
No	34 (80.95)	46 (79.31)