Table 3: Comparison of clinical efficacy scores between both groups after treatments (%).

GroupCasesExcellent
(improvement rate ≥ 5%)
Good
(improvement rate: 50–75%)
Normal
(improvement rate: 25–50%)
Bad
(improvement rate ≤ 25%)
P (χ2)

Treatment351113920.036
Control3522292(8.545)