Inter- and intra-group comparisons, mean and standard deviation values of the Bother 1’ xerostomia index (BI1)

IntervalsBI1 (Mean ± SD)p-value
Group AGroup B
Baseline7.33 ± 2.397.29 ± 2.660.916ns
After 1 week4.17 ± 2.244.25 ± 2.570.834ns
After 2 weeks2.83 ± 2.082.88 ± 2.070.892ns
p-value< 0.001*< 0.001*-

* significant (p < 0.05). ns: non-significant (p > 0.05); SD: standard deviation. -: no data