Table 2.
Leukocytosis percentages by age groups.
| a. | b. | ||||||
|---|---|---|---|---|---|---|---|
| Age-range | WBC >10.0 | WBC <10.0 | Total | Age-range | WBC >10.0 | WBC <10.0 | Total |
| (year) | n (percentage) | n (percentage) | n | (year) | n (percentage) | n (percentage) | n |
| 14–19 | 3 (13.0%) | 20 (87.0%) | 23 | 14–29 (younger) | 16 (10.1%) | 142 (89.9%) | 158 |
| 20–29 | 13 (9.6%) | 122 (90.4%) | 135 | 30–69 (middle-aged) | 152 (20.5%) | 591 (79.5%) | 743 |
| 30–39 | 35 (18.9%) | 150 (81.1%) | 185 | 70–95 (older) | 19 (8.7%) | 200 (91.3%) | 219 |
| 40–49 | 46 (21.1%) | 172 (78.9%) | 218 | Total | 187 (16.7%) | 933 (83.3%) | 1120 |
| 50–59 | 46 (24.0%) | 146 (76.0%) | 192 | – | – | – | – |
| 60–69 | 25 (16.9%) | 123 (83.1%) | 148 | – | P-values* | – | – |
| 70–79 | 17 (12.7%) | 117 (87.3%) | 134 | – | – | younger vs middle-aged | .0022** |
| 80–89 | 2 (2.7%) | 73 (97.3%) | 75 | – | – | Young vs older | .72 |
| 90–95 | 0 (0.0%) | 10 (100.0%) | 10 | – | – | middle-aged vs older | .000032*** |
| Total | 187 (16.7%) | 933 (83.3%) | 1120 | – | – | – | – |
WBC = white blood cell.
*
P-values were calculated using Fisher exact test for each pair among the 3 groups; P < .017 was considered significant.
**
P < .01.
***
P < .001, after Bonferroni correction.