Table 1.
Definition of UA levels and potential confounding factors and missingess rate
| variables | Assignments | Missingess Rate | ||||||
|---|---|---|---|---|---|---|---|---|
| UA |
qualified by their quartiles of P25, P50 and P75 every year; Q1: the UA level ≤ P25, Q2: P25 < the UA level < P50, Q3: P50 < the UA level < P75, Q4: the UA level ≥ P75 |
0 |
||||||
| |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
||
| P25 |
297 |
323 |
302 |
306 |
307 |
323 |
||
| P50 |
353 |
372 |
345 |
349 |
353 |
368 |
||
| P75 |
406 |
419 |
392 |
397 |
401 |
416 |
||
| GGT |
gamma-glutamyltranspeptidase , U/L |
1 % |
||||||
| ALB |
serum albumin, g/L |
1 % |
||||||
| GLO |
serum globulins, g/L |
1 % |
||||||
| BUN |
blood urea nitrogen, mg/L |
1 % |
||||||
| CREA |
serum creatinine, mg/dl |
1 % |
||||||
| CHOL |
Total cholesterol, mg/dl |
1 % |
||||||
| Hb |
Hemoglobin, g/L |
1 % |
||||||
| HCT |
Hematokrit, % |
1 % |
||||||
| MCV |
mean corpuscular volume, fL |
1 % |
||||||
| MCH |
mean corpuscular hemoglobin, pg |
1 % |
||||||
| RDW |
Red blood cell distribution width, % |
1 % |
||||||
| WBC |
white blood count, 109g/L |
1 % |
||||||
| PDW |
Platelet distribution width |
1 % |
||||||
| MPV |
mean platelet volume, fL |
1 % |
||||||
| PCT |
Thrombocytocrit, % |
1 % |
||||||
| diet |
0: Vegetarian, 1: meat-based, 2: normal, 3: sea food |
17 % |
||||||
| drinking |
0: never, 1: seldom, 2: often, wine, 3: often beer, 4: often, Chinese spirits, 5: often, mixed all kinds |
6 % |
||||||
| smoking |
0: never, 1: seldom, 2: quit, 3: 1-4/d, 4: 5-15/d, 5: >15/d |
6 % |
||||||
| quality of sleep |
0: excellent, 1: well, 2: fair, 3: poor, 4: very poor |
6 % |
||||||
| exercise | 0: never, 1: seldom, 2: often or everyday | 6 % | ||||||