Table 1.
Patient characteristics
| Characteristics |
Pernicious Anemia, n=15,324 |
Non-pernicious anemia, n=55,094 |
p value |
|---|---|---|---|
| Mean Age (SD) | 68.79 yrs (+/−17.36) | 66.66 yrs (+/−16.91) | p<0.001 |
| Male (%) | 4,874 (31) | 16,787(31) | p=.002 |
| Current smokers (%) | 3,561 (19) | 12,672 (17) | |
| Former smokers (%) | 2,880 (23) | 9,479 (23) | |
| Non-smokers (%) | 8,173 (53) | 30,074 (55) | |
| Missing smoking data (%) | 710 (5) | 2,869 (5) | |
| Mean BMI (kg/m2) | 26.17 (+/− 5.40) | 26.10 (+/− 4.72) | p=0.223 |
| BMI <25 (%) | 5,054 (33) | 15,770 (28) | |
| BMI 25–30 (%) | 3,734 (24) | 13,054(24) | |
| BMI >30 (%) | 2,198 (14) | 6,212 (11) | |
| Missing BMI data (%) | 4,338 (28) | 20,058 (36) | |
| DM (%) | 2,031 (13) | 2,900 (5.26) | p<0.001 |
| Chronic hepatitis B (%) | 21 (0.14) | 63 (0.11) | p=0.472 |
| Chronic pancreatitis (%) | 27 (0.18) | 26 (0.05) | p<0.001 |
| Pancreatic cancer (%) | 30 (0.20) | 95 (0.17) | p=0.544 |