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Table 3 Comparison of the parameters of large airway function in observation group and control group

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

SVC, L, mean ± SD

2.87 ± 0.63

3.10 ± 0.66

2.496*

FVC, L, mean ± SD

2.79 ± 0.64

3.06 ± 0.66

2.958**

FEV1, L, mean ± SD

2.11 ± 0.42

2.51 ± 0.47

6.437***

FEV1/FVC, %, mean ± SD

76.38 ± 4.43

82.79 ± 4.07

10.815***

PEF, L, mean ± SD

6.22 ± 1.34

6.47 ± 1.35

1.340

MEF75, L, mean ± SD

5.04 ± 1.02

5.93 ± 1.15

2939.5***

  1. SD: standard deviation; SVC, slow vital capacity; FVC, forced vital capacity; FEV1 denotes forced expiratory volume in 1 s; PEF, peak flow; MEF75 denotes maximal flows at 75% of remaining forced vital capacity.
  2. *P < 0.05; **P < 0.01; ***P < 0.001
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BMC Geriatrics

ISSN: 1471-2318

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