Table 5. Effusion changes at initial and follow-up visits.

	Initial Visit			Follow-up Vist
	ADDWR	ADDWoR	P	ADDWR	ADDWoR	P
Effusion
Absent	78(90.7%)	109(83.2%)	0.118	86(100%)	127(96.9%)	0.263
Present	8(9.3%)	22(16.8%)		0(0)	4(3.1)