Table 4: Post hoc analysis of mean difference in FVC and FEV1 across the three age groups.
|
Variable |
Age |
Age |
p-value |
MD |
|
FVC |
16-20 |
21-25 |
0.040* |
-0.321 |
|
26-30 |
0.856 |
-0.301 |
||
|
21-25 |
16-20 |
0.040* |
0.321 |
|
|
26-30 |
1.000 |
0.020 |
||
|
26-30 |
16-20 |
0.856 |
0.301 |
|
|
21-25 |
1.000 |
-0.020 |
||
|
FEV1 |
16-20 |
21-25 |
0.014* |
-0.309 |
|
26-30 |
0.767 |
-0.270 |
||
|
21-25 |
16-20 |
0.014* |
0.309 |
|
|
26-30 |
1.000 |
0.039 |
||
|
26-30 |
16-20 |
0.767 |
0.270 |
|
|
21-25 |
1.000 |
-0.039 |
FVC: Forced vital capacity; FEV1: Forced expiratory volume in one second; MD: Mean difference
*significant at P ≤ 0.05.