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Table 2 ANCOVA of pulmonary function test

From: Using an incentive spirometer reduces pulmonary complications in patients with traumatic rib fractures: a randomized controlled trial

Covariant

Control group (n = 26)

Study group (n = 24)

p value

%FEV1 pre-test

71.96 ± 16.33

60.48 ± 16.65

.717

%FEV1 post-test

66.66 ± 16.97

79.97 ± 13.04

.003*

 %FEV1 difference

−5.28 ± 11.95

19.49 ± 17.50

< .001*

%FVC pre-test

70.44 ± 16.99

59.05 ± 15.34

.371

%FVC post-test

65.58 ± 16.36

77.72 ± 13.28

.006*

 %FVC difference

−4.85 ± 10.92

18.65 ± 17.77

< .001*

  1. ANCOVA analysis of covariance, FEV1 forced expiratory value in 1 s, FVC forced vital capacity
  2. *p < 0.05
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Trials

ISSN: 1745-6215