TABLE 4.

Demographics of thyroid patients according to development of postoperative hematoma

Characteristic	No hematoma	Hematoma	p
No. of patients	2375	20
Age (years)	48.8 ± 0.3	54.6 ± 4.6	0.11
Patient gender
Female	99.2 %	0.8 %	0.79
Male	99.1 %	0.9 %
Extent of operation
Unilateral	1044 (99.8 %)	2 (0.2 %)	<0.01
Bilateral	1226 (98.6 %)	17 (1.4 %)
Extensive	105 (99.1 %)	1 (0.9 %)
Reoperative neck	203 (98.5 %)	3 (1.5 %)	0.41
Antiplatelet use
None	1943 (99.3 %)	14 (0.7 %)	0.01
<325 mg aspirin	209 (99.5 %)	1 (0.5 %)
≥325 mg aspirin	188 (98.4 %)	3 (1.6 %)
Clopidogrel	35 (94.6 %)	2 (5.4 %)
Anticoagulant use
None	2311 (99.4 %)	15 (0.6 %)	<0.001
Oral	50 (96.2 %)	2 (3.8 %)
Injectable	14 (82.4 %)	3 (17.6 %)
Use of either medication type
None	1893 (99.8 %)	10 (0.5 %)	<0.001
One	471 (98.1 %)	9 (1.9 %)
Both	11 (91.7 %)	1 (8.3 %)

Data are expressed as mean ± SEM or as n (%)