Is the routine pressure dressing after thyroidectomy necessary? A prospective randomized controlled study

Table 2 Volume of fluid in the operative bed and the volume of drained fluid

	Pressure dressing (n = 57)	Non-pressure dressing (n = 59)	p-value	95% Confidence Interval of the difference
Volume of fluid in operative bed (mL)	0.1954	0.4083	0.150^a	-0.69–0.26^a
Volume of drains fluid
Day 1 (mL)	52.07	53.98	0.156^a	-10.01–6.18^a
Day 2 (mL)	7.28	7.03	0.877^a	-3.75–4.24^a
Day 3 (mL)	0.53	1.36	0.087^a	-2.73–1.07^a
Total (mL)	59.88	62.63	0.798^a	-13.82–8.32^a

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