showed a trendp=0.25
Although the mean FEV1 also showed a trend towards improvement, from 2.4 litres (SD 0.94) to FEV1 2.73 litres (SD 0.88), the difference was not statistically significant (p=0.25) (Table 2 ).
Although the mean FEV1 also showed a trend towards improvement, from 2.4 litres (SD 0.94) to FEV1 2.73 litres (SD 0.88), the difference was not statistically significant (p=0.25) (Table 2 ).