highly significantP < 0.001
The increase in the mean external standard score over 4 months from 50.0 to 54.8 is highly significant, P < 0.001, showing that an improvement in quality of life has taken place.
The increase in the mean external standard score over 4 months from 50.0 to 54.8 is highly significant, P < 0.001, showing that an improvement in quality of life has taken place.