Factors Affecting Recurrence of Idiopathic Granulomatous Mastitis: A Systematic Review

Table 2

Study characteristics: insights from parameter studies.

Parameter	Studies	n	Mean or frequency (percentage)
Race
Caucasian	71	4735	3749 (79.17%)
Others			986 (20.83%)
Age	69	4566	34.98 years
Parity	55	3554	3251 (91.47%)
Lactation	44	3252	2721 (83.67%)
OCP	41	3203	730 (22.79%)
Smoking	38	2687	373 (13.88%)
Size	37	2151	4.64 cm
Trauma	16	628	36 (5.7%)
BMI (mean)	4	198	28.24
BMI
<25	4	146	55 (37.67%)
>25			91 (62.32%)
BML
<30	3	164	76 (46.34%)
>30			88 (63.66%)
Recurrence rate	60	4038	694 (17.18%)