Table 1 Distribution of selected characteristics among PC cases and controls
From: Functional polymorphisms in LncRNA HOTAIR contribute to susceptibility of pancreatic cancer
Category | Stage 1 | Stage 2 | ||||
|---|---|---|---|---|---|---|
Cases (N = 400) | Controls (N = 400) | P value | Cases (N = 500) | Controls (N = 500) | P value | |
Age group | ||||||
 < 50 | 200 | 192 | 0.572 | 245 | 239 | 0.704 |
 ≥ 50 | 200 | 208 |  | 255 | 261 |  |
Gender | ||||||
 Male | 240 | 245 | 0.717 | 304 | 299 | 0.747 |
 Female | 160 | 155 |  | 196 | 201 |  |
Drinking | ||||||
 Never | 271 | 279 | 0.542 | 333 | 350 | 0.248 |
 Ever | 129 | 121 |  | 167 | 150 |  |
Smoking | ||||||
 Never | 291 | 300 | 0.469 | 351 | 369 | 0.205 |
 Ever | 109 | 100 |  | 149 | 131 |  |
Diabetes | ||||||
 Yes | 102 | 50 | < 0.001 | 137 | 66 | < 0.001 |
 No | 298 | 350 |  | 363 | 434 |  |