Table 1 Comparison of baseline demographics: Case cohort vs. control cohort.

From: Quantitative risk factor analysis of prior disease condition and socioeconomic status with the multiple myeloma development: nationwide cohort study

Variables

Cohort

p-value

Case (N = 16,716)

Control (N = 133,574)

Age (years)*

67.1 (11.4)

67.1 (11.4)

0.870

Sex

  

0.972

 Male

9084 (54.3)

72,569 (54.3)

 

 Female

7632 (45.7)

61,005 (45.7)

 

Socioeconomic status**

  

 < 0.001

 Medical beneficiary

807 (4.8)

3343 (2.5)

 

 Low-middle

8969 (53.7)

69,336 (51.9)

 

 High

6639 (39.7)

57,022 (42.7)

 

 Unknown

301 (1.8)

3873 (2.9)

 

Prior disease condition***

   

 Myocardial infarction

269 (1.6)

1962 (1.5)

0.157

 Congestive heart failure

1282 (7.7)

7938 (5.9)

 < 0.001

 Peripheral vascular disease

3439 (20.6)

25,754 (19.3)

 < 0.001

 Cerebrovascular disease

2548 (15.2)

19,507 (14.6)

0.028

 Dementia

812 (4.9)

6810 (5.1)

0.181

 Hemiplegia or paraplegia

180 (1.1)

1578 (1.2)

0.236

 Autoimmune disease

1124 (6.7)

7147 (5.4)

 < 0.001

 Chronic pulmonary disease

7512 (44.9)

53,389 (40.0)

 < 0.001

 Peptic ulcer disease

6796 (40.7)

50,570 (37.9)

 < 0.001

 Hepatic disease

3986 (23.8)

28,571 (21.4)

 < 0.001

 Renal disease

622 (3.7)

2245 (1.7)

 < 0.001

 Diabetes without chronic complication

4024 (24.1)

30,105 (22.5)

 < 0.001

 Diabetes with chronic complication

1896 (11.3)

13,296 (10.0)

 < 0.001

 Any malignancy

1604 (9.6)

10,504 (7.9)

 < 0.001

 Metastatic solid tumor

145 (0.9)

831 (0.6)

 < 0.001

 AIDS/HIV

3 (0.0)

21 (0.0)

0.745

  1. All values are presented as number (%).
  2. *Presented as mean (standard deviation).
  3. **Social economic status: medical beneficiary 0; low-middle 1–18; high 19–20.
  4. ***Prior disease conditions were categorized based on Charlson comorbidity index.