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Table 5 Hematological abnormalities of exposed and control groups

From: Reticulocytosis in screen-printing workers exposed to 2-butoxyethanol and 2-ethoxyethanol

Parameter Exposed group
n (%)
Control group
n (%)
p value
Hemoglobin Normal 31 (91.2) 35 (94.6) 0.665
Abnormal 3 (8.8) 2 (5.4)
Hematocrit Normal 33 (97.1) 35 (94.6) 1.000
Abnormal 1 (2.9) 2 (5.4)
Red blood cell Normal 23 (67.6) 30 (81.1) 0.194
Abnormal 11 (32.4) 7 (16.7)
White blood cell Normal 27 (79.4) 34 (91.9) 0.178
Abnormal 7 (20.6) 2 (8.1)
Lymphocyte Normal 28 (82.4) 28 (75.7) 0.491
Abnormal 6 (17.6) 9 (24.3)
MCV Normal 28 (82.4) 35 (94.6) 0.103
Abnormal 6 (17.6) 2 (5.4)
MCH Normal 27 (79.4) 34 (91.9) 0.178
Abnormal 7 (20.6) 3 (8.1)
MCHC Normal 33 (97.1) 37 (100) 0.479
Abnormal 1 (2.9) 0 (0)
Reticulocyte Normal 7 (20.6) 24 (64.9) < 0.001*
Abnormal 27 (79.4) 13 (35.1)
RI Normal 22 (64.7) 32 (86.5) 0.032*
Abnormal 12 (35.3) 5 (13.5)
Platelet Normal 34 (100) 37 (100)  
Abnormal 0 (0.0) 0 (0.0)
  1. * p < 0.05 by Pearson’s chi-square test. MCV mean corpuscular volume, MCH mean corpuscular hemoglobin, MCHC mean corpuscular hemoglobin concentration, RI reticulocyte index