Table 5 The average lung reactance (X₅, A_X), resistance (R₅, R₁₉, R_5–19) and resonant frequency (F_RES) before and after exposure and the paired test

R₅

(cmH₂O s L⁻¹)

FA

3.56 (3.28, 4.16)

3.66 (0.87)

3.86 (3.17, 4.31)

3.82 (1.07)

HVO_NOx

3.75 (2.86, 4.74)

3.98 (1.33)

3.87 (3.13, 4.86)

4.17 (1.67)

HVO_PM+NOx

3.61 (3.1, 4.68)

4.06 (1.67)

3.6 (2.93, 5.22)

4.10 (1.84)

R₁₉

(cmH₂O s L⁻¹)

FA

3.09 (2.63, 3.77)

3.11 (0.73)

3.24 (2.67, 3.71)

3.20 (0.71)

HVO_NOx

3.12 (2.56, 3.96)

3.21 (0.74)

3.33 (2.68, 3.88)

3.28 (0.83)

HVO_PM+NOx

3.14 (2.61, 3.82)

3.17 (0.86)

3.03 (2.54, 3.97)

3.26 (1.00)

R_5–19

(cmH₂O s L⁻¹)

FA

0.38 (0.2, 0.72)

0.54 (0.51)

0.51 (0.16, 0.68)

0.63 (0.69)

HVO_NOx

0.79 (0.18, 1.11)

0.77 (0.80)

0.72 (0.24, 0.98)

0.88 (1.08)

HVO_PM+NOx

0.49 (0.22, 1.07)

0.89 (1.05)

0.5 (0.27, 1.15)

0.84 (1.04)

X₅

(cmH₂O s L⁻¹)

FA

− 1.19 (− 1.34, − 1.1)

− 1.25 (0.40)

− 1.16 (− 1.38, − 0.99)

− 1.35 (0.71)

HVO_NOx

− 1.21 (− 1.45, − 0.88)

− 1.3 (0.65)

− 1.22 (− 1.53, − 1.1)

− 1.49 (1.02)

HVO_PM+NOx

− 1.15 (− 1.86, − 1.07)

− 1.58 (1.12)

− 1.19 (− 1.51, − 0.99)

− 1.43 (0.96)

A_X

(cmH₂O L⁻¹)

FA

5.9 (4.16, 8.72)

7.44 (5.00)

5.63 (2.75, 8.79)

7.85 (6.66)

HVO_NOx

5.99 (3.34, 14.13)

9.24 (7.91)

6.31 (3.19, 13.14)

10.73 (13.13)

HVO_PM+NOx

6.33 (4.26, 15.31)

12.14 (15.50)

5.52 (3.44, 13.97)

12.00 (17.05)

F_RES

(Hz)

FA

15.38 (13.59, 19.47)

16.28 (3.88)

15.64 (12.9, 18.88)

15.93 (4.41)

HVO_NOx

14.88 (12.91, 23.66)

17.36 (5.90)

14.88 (12.97, 22.96)

17.61 (5.98)

HVO_PM+NOx

16.22 (12.28, 22.05)

17.64 (5.91)

14.98 (13.56, 19.71)

17.58 (7.18)