ALL patients (n = 2337) | Back (n = 1472) | Not Back (n = 865) | p value | |
---|---|---|---|---|
Age, year, median (IQR) | 65 (55–75) | 64 (54–73) | 67 (57–78) | < 0.001 |
Age level, n/N (%) | < 0.001 | |||
< 60 | 794/2337 (34.0) | 541/1472 (36.8) | 253/865 (29.2) | < 0.001 |
60–80 | 1154/2337 (49.4) | 738/1472 (50.1) | 416/865 (48.1) | 0.362 |
≥ 80 | 389/2337 (16.6) | 193/1472 (13.1) | 196/865 (22.7) | < 0.001 |
Gender (M), n/N (%) | 1151/2337 (49.3) | 762/1472 (51.8) | 389/865 (45.0) | 0.002 |
Residence, n/N (%) | 0.282 | |||
Changhua County | 1433/2337 (61.3) | 910/1472 (61.8) | 523/865 (60.5) | |
Changhua City | 464/2337 (19.9) | 299/1472 (20.3) | 165/865 (19.1) | |
Others | 440/2337 (18.8) | 263/1472 (17.9) | 177/865 (20.5) | |
Outpatient clinic/N (%) | < 0.001 | |||
Division of Gastroenterology | 374/2337 (16.0) | 293/1472 (19.9) | 81/865 (9.4) | < 0.001 |
Department of Internal Medicine | 668/2337 (28.6) | 462/1472 (31.4) | 206/865 (23.8) | < 0.001 |
Department of Surgery | 536/2337 (22.9) | 321/1472 (21.8) | 215/865 (24.9) | 0.101 |
Other department in the hospital | 499/2337 (21.4) | 236/1472 (16.0) | 263/865 (30.4) | < 0.001 |
Referral or unknown | 260/2337 (11.1) | 160/1472 (10.9) | 100/865 (11.6) | 0.656 |