Incidence and risk factor analysis for swelling after apical microsurgery

Table 1 Descriptive analysis of patients in moderate/severe swelling group and no/mild swelling group (n = 98)

	No/mild swelling group (n = 47)	Moderate/severe swelling group (n = 51)	P value
Age (mean ± SD)	39.51 ± 11.08	33.16 ± 10.84	0.002
Sex
Male	15 (31.9)	12 (23.5)
Female	32 (68.1)	39 (76.5)	0.353
Teeth
Single	37 (78.7)	40 (78.4)
Multiple	10 (21.3)	11 (21.6)	0.972
Shadow volume (mean ± SD)	113.94 ± 235.52	220.02 ± 197.24	0
Fistula
No	36 (76.6)	40 (78.4)
Yes	11 (23.4)	11 (21.6)	0.828
Bone density (mean ± SD)	1521.15 ± 384.62	1664.39 ± 277.03	0.039
Swelling (preoperative)
No	27 (57.4)	30 (58.8)
Yes	20 (42.6)	21 (41.2)	0.89
Medication (postoperative)
No	32 (68.1)	33 (64.7)
Yes	15 (31.9)	18 (35.3)	0.724
Endodontic surgery (preoperative)
No	7 (14.9)	12 (23.5)
Yes	40 (85.1)	39 (76.5)	0.28