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Table 1 Subject characteristics

From: Acute cardiovascular effects of controlled exposure to dilute Petrodiesel and biodiesel exhaust in healthy volunteers: a crossover study

Parameter

Study one, n = 16, 2 females.

Study two, n = 19, all males

Age, years

25 (21–29)

28 (20–38)

Height, cm

Males: 181 (173–195)

Females: 171 (166–176.5)

181 (168–190)

Weight, kg

Males: 75 (67–88)

Females: 69 (60–79)

79 (55–97)

BMI, kg/m2

Males: 23 (20–25)

Females: 23 (21–25)

24 (19–29)

Pre exposure measures

Petrodiesel

RME30

Petrodiesel

RME100

Vital capacity, L

5.8 ± 0.3

5.9 ± 0.3

6.3 ± 0.3

6.3 ± 0.3

FEV1, L

4.6 ± 0.2

4.6 ± 0.2

4.8 ± 0.2

4.8 ± 0.2

FENO 50, ppb

12 ± 1

11 ± 1

13 ± 1

15 ± 2

Systolic blood pressure, mm hg

121 ± 3

123 ± 2

136 ± 3

135 ± 3

Diastolic blood pressure, mm hg

69 ± 1

71 ± 1

79 ± 2

78 ± 2

Heart rate, bpm

65 ± 2

64 ± 2

68 ± 2

67 ± 2

Hemoglobin, g/L

148 ± 3

147 ± 3

151 ± 2

151 ± 2

Leukocyte particle concentration × 109/L

5.7 ± 0.3

5.7 ± 0.4

5.4 ± 0.2

5.5 ± 0.3

Platelet concentration, ×109/L

231 ± 11

236 ± 11

232 ± 11

230 ± 10

Lymphocytes, ×109/L

2.1 ± 0.2

2.1 ± 0.2

2.2 ± 0.2

2.2 ± 0.2

Monocytes, ×109/L

0.5 ± 0.0

0.5 ± 0.0

0.5 ± 0.0

0.5 ± 0.0

Neutrophils, ×109/L

2.9 ± 0.2

3.0 ± 0.2

2.6 ± 0.1

2.6 ± 0.2

  1. Median and range for anthropomorphic measures. Mean ± standard error of the mean (SEM) for pre-exposure baseline cardiorespiratory and hematological measures