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Table 4 Comparison of static pulmonary function test parameters between the two groups

From: Effect of small airway dysfunction on large airway function parameters in elderly adults

Variables

Observation group

(n = 104)

Control group

(n = 102)

t/U

TLC, L, mean ± SD

4.70 ± 0.81

4.80 ± 0.86

0.821***

FRC, L, mean ± SD

2.80 ± 0.73

2.66 ± 0.65

1.366***

RV, L, mean ± SD

2.13 ± 0.43

1.99 ± 0.46

2.235*

RV/TLC, %, mean ± SD

45.50 ± 5.91

41.67 ± 6.29

4.512***

DLCO, mmol•min− 1•kPa− 1, mean ± SD

5.59 ± 1.18

6.49 ± 1.18

5.498***

  1. SD: standard deviation; TLC: total lung capacity; FRC: functional residual capacity; RV: residual volume; DLCO: diffusion capacity for carbon monoxide.
  2. *P < 0.05; ***P < 0.001
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BMC Geriatrics

ISSN: 1471-2318

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