Table 3.

A two-by-two inter-time VAS comparisons in Prednisolone group

	Before the study	Week 1	Week 2	Week 4
Before the study	–	–	–	–
Week 1	0.042	–	–	–
Week 2	< 0.001	0.002	–	–
Week 4	< 0.001	< 0.001	0.001	–