3.2. Health-related quality of life
Statistically significant differences were observed between
the intervention and control groups at three months based on
SGRQ impact domain scores (t ผ _2.167, p < 0.05; Table 2). In addition, statistically significant differences were also
observed between groups at six months based on SGRQ
symptom, impact, activity domain and total scores (tผ_3.482
to _2.530, p < 0.05; Table 2).