Table 1 Demographics of resected colorectal cancer patients diagnosed with stage I–III disease in Sweden during the years 2008–2021, by income (in quartiles, Q) and education group (based on the number of years of schooling).

From: Impact of socioeconomics on recurrences and survival in non-metastasized colorectal cancer

 

Income

Education

Total

Q1

Q2

Q3

Q4

<9 years

9–12 years

>12 years

Sex

 Male

29,358 (52.2%)

6983 (51.8%)

7287 (52.4%)

7518 (52.5%)

7570 (52.3%)

7788 (53.3%)

9746 (46.7%)

11,512 (57.3%)

 Female

26,846 (47.8%)

6499 (48.2%)

6627 (47.6%)

6809 (47.5%)

6911 (47.7%)

6821 (46.7%)

11,133 (53.3%)

8584 (42.7%)

Age

 Median (IQR)

73.0 (65.0–80.0)

75.0 (65.0–82.0)

75.0 (65.0–81.0)

73.0 (65.0–79.0)

70.0 (65.0–76.0)

78.0 (72.0–83.0)

71.0 (63.0–78.0)

70.0 (62.0–77.0)

ASA

 1

7606 (13.5%)

1413 (10.5%)

1736 (12.5%)

2057 (14.4%)

2400 (16.6%)

1041 (7.1%)

2810 (13.5%)

3717 (18.5%)

 2

29,201 (52.0%)

6554 (48.6%)

6885 (49.5%)

7559 (52.8%)

8203 (56.6%)

7171 (49.1%)

11,001 (52.7%)

10,748 (53.5%)

 3

16,857 (30.0%)

4748 (35.2%)

4594 (33.0%)

4113 (28.7%)

3402 (23.5%)

5515 (37.8%)

6197 (29.7%)

4893 (24.3%)

 4

1527 (2.7%)

478 (3.5%)

463 (3.3%)

340 (2.4%)

246 (1.7%)

584 (4.0%)

519 (2.5%)

389 (1.9%)

 5

31 (0.1%)

11 (0.1%)

9 (0.1%)

6 (0.0%)

5 (0.0%)

16 (0.1%)

12 (0.1%)

3 (0.0%)

 Missing

982 (1.7%)

278 (2.1%)

227 (1.6%)

252 (1.8%)

225 (1.6%)

282 (1.9%)

340 (1.6%)

346 (1.7%)

CCI

 Median (IQR)

0.0 (0.0–2.0)

0.0 (0.0–2.0)

0.0 (0.0–2.0)

0.0 (0.0–2.0)

0.0 (0.0–1.0)

0.0 (0.0–2.0)

0.0 (0.0–2.0)

0.0 (0.0–2.0)

Civil

 Alone

22,134 (39.4%)

8612 (63.9%)

6378 (45.8%)

3936 (27.5%)

3208 (22.2%)

6517 (44.6%)

8583 (41.1%)

6728 (33.5%)

 Not alone

34,070 (60.6%)

4870 (36.1%)

7536 (54.2%)

10,391 (72.5%)

11,273 (77.8%)

8092 (55.4%)

12,296 (58.9%)

13,368 (66.5%)

Education

 -9 yr

14,609 (26.0%)

5448 (40.4%)

4486 (32.2%)

3077 (21.5%)

1598 (11.0%)

   

 9 yr–12 yr

20,877 (37.1%)

5054 (37.5%)

5722 (41.1%)

5626 (39.3%)

4475 (30.9%)

   

 12 yr-

20,095 (35.8%)

2510 (18.6%)

3644 (26.2%)

5578 (38.9%)

8363 (57.8%)

   

 Missing

623 (1.1%)

470 (3.5%)

62 (0.4%)

46 (0.3%)

45 (0.3%)

   
  1. There were 56,204 patients with information on income and 55,584 with information on education.
  2. ASA American Society of Anesthesiologists classification, CCI Charlson Comorbidity Index, IQR interquartile range, Q quartile.