An Observational Cohort Study on Delayed-Onset Infections after Mandibular Third-Molar Extractions

Table 1

Association between patient-related characteristics and delayed-onset infection (DOI).

	Extractions without DOI (n = 209)	Extractions with DOI (n = 8)	p value
Age (years)	22 (19–28)	18 (16–25)	0.06
BMI	21.6 (19.7–23.8)	20.2 (19.5–21.7)	0.30
Gender M : F	84 : 125	2 : 6	0.48
Presence of systemic diseases	30 (14.4)	2 (25.0)	0.34
Drug intake	29 (13.9)	0	0.60
Smoking habit	66 (31.6)	1 (12.5)	0.44
Mouth opening in mm	47 (40–50)	45 (5–56)	0.50

Total number of patients 179; total number of extractions 217. Data are expressed as number (%) or median (IQR). BMI: body mass index. Data not available in 13 extractions.