Table 2.
Hematologic Profile of Recent-Permethrin Applicatorsa
| Component | Offseason | Exposure Visit | Follow-Up Visit |
|---|---|---|---|
| White Blood Cells (1000/μL) | 6.0 (5.3 to 6.8) | 6.2 (5.6 to 6.9) | 6.1 (5.4 to 6.8) |
| Neutrophils (per μL) | 3626 (3096 to 4246) | 3745 (3264 to 4296) | 3675 (3176 to 4252) |
| Eosinophils (per μL) | 126 (91 to 174) | 149 (112 to 199) | 137 (101 to 186) |
| Basophils (per μL) | 30 (22 to 40) | 32 (25 to 42) | 31 (23 to 41) |
| Immature granulocytes (per μL) | 17 (12 to 22) | 23 (18 to 29)* | 18 (14 to 23)# |
| Monocytes (per μL) | 501 (415 to 605) | 491 (415 to 581) | 484 (406 to 578) |
| Lymphocytes (per μL) | 1527 (1308 to 1782) | 1531 (1328 to 1765) | 1486 (1282 to 1722) |
| CD19 (per μL) | 178 (141 to 225) | 179 (144 to 223) | 178 (142 to 224) |
| CD3+CD4+ (per μL) | 771 (636 to 934) | 766 (643 to 913) | 761 (632 to 918) |
| CD3+CD4-CD8- (per μL) | 29 (19 to 45) | 33 (23 to 48) | 27 (18 to 40) |
| CD3+CD8+ (per μL) | 278 (207 to 372) | 257 (197 to 336) | 262 (198 to 348) |
| CD3+CD16+CD56+ (per μL) | 40 (21 to 76) | 48 (28 to 85) | 48 (26 to 87) |
| CD4+CD8+ Ratio | 2.8 (2.2 to 3.7) | 2.9 (2.3 to 3.7) | 2.9 (2.3 to 3.8) |
| Neutrophil Lymphocyte Ratio | 2.3 (1.9 to 2.9) | 2.4 (2.0 to 2.9) | 2.4 (2.0 to 3.0) |
| Red Blood Cells (106/μL) | 4.97 (4.80 to 5.16) | 4.83 (4.67 to 4.99)* | 4.79 (4.63 to 4.96)* |
| Hemoglobin (g/dL) | 15.1 (14.6 to 15.6) | 14.6 (14.2 to 15.1)* | 14.4 (14.0 to 14.9)* |
| Hematocrit (%) | 44.5 (43.0 to 46.0) | 43.6 (42.3 to 45.0) | 43.0 (41.7 to 44.4)* |
| MCV (fL) | 89.4 (87.8 to 91.0) | 90.4 (88.9 to 91.9)* | 89.6 (88.1 to 91.2)# |
| MCH (pg) | 30.3 (29.7 to 30.9) | 30.3 (29.7 to 30.9) | 30.3 (29.6 to 30.9) |
| MCHC (g/dL RBC) | 33.4 (32.6 to 34.3) | 33.6 (32.8 to 34.3) | 33.4 (32.6 to 34.2) |
| RDW (%) | 13.0 (12.7 to 13.3) | 13.0 (12.8 to 13.3) | 13.1 (12.8 to 13.3) |
| RDW-SD (fL) | 42.3 (41.2 to 43.5) | 42.9 (41.8 to 44.0)* | 42.8 (41.7 to 43.9)* |
| Platelets (1000/μL) | 214 (195 to 234) | 218 (201 to 238) | 216 (198 to 235) |
| MPV (fL) | 10.7 (10.3 to 11.0) | 10.5 (10.2 to 10.9) | 10.6 (10.2 to 10.9) |
a
adjusted geometric means (95% CI) were estimated using linear mixed models adjusted for age, body mass index, season of blood draw, recent infection or cold, and other recent pesticide use.
*
, P<0.05 when compared to offseason visit (denoted in bold)
#
, P<0.05 when compared to exposure visit (denoted in bold)
CD: cluster of differentiation; MCH: mean corpuscular hemoglobin; MCHC: mean corpuscular hemoglobin concentration; MCV: mean corpuscular volume; MPV: mean platelet volume; RDW: red blood cell distribution width; RDW-SD: red blood cell distribution width SD.