Total purine consumption and risk of recurrent gout attack
| Total purine intake over 2 days (g, median) | Number of control periods | Number of hazard periods | Crude OR (95% CI) | Adjusted OR (95% CI)* |
|---|---|---|---|---|
| Quintile 1 (0.85) | 363 | 203 | 1.0 (referent) | 1.0 (referent) |
| Quintile 2 (1.30) | 359 | 209 | 1.21 (0.92 to 1.59) | 1.17 (0.88 to 1.55) |
| Quintile 3 (1.74) | 348 | 219 | 1.43 (1.06 to 1.91) | 1.38 (1.02 to 1.87) |
| Quintile 4 (2.28) | 301 | 267 | 2.32 (1.72 to 3.13) | 2.21 (1.62 to 3.01) |
| Quintile 5 (3.48) | 218 | 349 | 4.98 (3.55 to 6.98) | 4.76 (3.37 to 6.74) |
| p For trend | <0.001 | <0.001 |
↵* Adjusted for use of alcohol, diuretics, allopurinol, colchicines and non-steroidal anti-inflammatory drugs.