moderately significantP ≤ 0.05
Discrete variables were compared by Student's t -test, Chi-square/Fisher exact test, whichever appropriate, *moderately significant P value: 0.01 < P ≤ 0.05, **strongly significant P value: P ≤ 0.01.
Discrete variables were compared by Student's t -test, Chi-square/Fisher exact test, whichever appropriate, *moderately significant P value: 0.01 < P ≤ 0.05, **strongly significant P value: P ≤ 0.01.