Construction and Validation of a Risk Warning Model of Depression in Patients with Pulmonary Nodule

Table 1

Univariate analysis of depression in patients with pulmonary nodule.

Variable	The non-depression group (n = 282)	The depression group (n = 253)	Statistic	value
Gender			2.13	0.144
Male	130	122
Female	152	131
Age (years)	59.2 ± 12.33	60.51 ± 12.09	0.76	0.451
Education level			34.88	<0.001
Primary and lower grades	81	104
Secondary school	77	92
High school and up	124	57
Monthly household income per capita (YUAN)			0.16	0.984
<1000	26	85
1000–2990	67	70
3000–4999	76	67
>5000	113	31
Profession			0.03	0.987
Unemployed/retired	60	135
Farmers	113	49
Worker/individual/other	109	69
Patient source			3.44	0.179
Rural	67	132
County/town	78	67
City	137	54
Type of health care			0.07	0.966
Self-paying	68	146
New rural cooperative medical system	89	48
Medical insurance for urban workers	125	59
Drinking			0.14	0.934
Occasionally	77	61
Yes	91	156
No	114	36
Smoking			0.03	0.855
Yes	93	178
No	189	78
Marriage			0.03	0.987
Divorced or widowed	67	186
Married	150	55
Unmarried	65	12
Family history of mental illness			2.81	0.094
Yes	105	186
No	177	67
The history of surgery			0.02	0.891
Yes	113	198
No	169	55
The history of chronic illness			1.84	0.175
Yes	84	149
No	198	104
Tumor related history			0.11	0.740
Yes	91	178
No	191	75
Pathological classification			0.09	1.000
Adenocarcinoma	104	40
Squamous cell carcinomas	95	48
Small cell lung cancer	52	67
Other	31	98
Staging			3.61	0.307
I	93	32
II	83	35
III	65	88
IV	41	98
Number of chemotherapies			1.49	0.684
1	105	21
2	76	36
3	67	87
4	34	109
Whether the transfer			0.14	0.705
Yes	91	187
No	191	66
Total score for social support	30.11 ± 3.22	25.54 ± 3.52	−9.64	<0.001
Objective to support	9.31 ± 1.49	7.19 ± 1.759	−9.27	<0.001
Subjective support	9.32 ± 2.29	9.65 ± 2.13	1.31	0.301
Utilization of support	9.32 ± 2.29	8.70 ± 2.34	−1.91	0.058
Serum CRP (mg/L)	26.89 ± 34.22	62.80 ± 57.41	5.28	<0.001
Albumin (g/L)	33.28 ± 7.82	29.85 ± 8.00	−3.08	0.002
Serum creatinine (μmol/L)	62.00 ± 14.34	55.38 ± 12.52	−3.46	0.001
Phosphorus (mmol/L)	1.51 ± 0.53	1.70 ± 0.51	2.58	0.011
Calcium (mmol/L)	2.17 ± 0.49	1.93 ± 0.60	−3.07	0.003
β2 microglobulin (mg/L)	2.80 ± 1.16	3.34 ± 1.27	3.14	0.002
Triglycerides (mmol/L)	1.82 ± 1.60	2.34 ± 1.56	2.34	0.021
Total cholesterol (mmol/L)	5.23 ± 1.17	5.69 ± 1.19	0.91	0.007
Low-density lipoprotein (mmol/L)	3.64 ± 0.88	3.96 ± 0.95	0.43	0.015
High-density lipoprotein (mmol/L)	1.23 ± 0.40	1.09 ± 0.49	−2.11	0.036