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. 2013 Dec 27;8(12):e84737. doi: 10.1371/journal.pone.0084737

Table 3. Characteristics of Prevalent Fibroids by Self-Reported Scar Status.

No abnormal scarring Raised Scar   Keloid
Fibroid Characteristicsa N=176b N=80b N=19 p-valuec
Typed
Submucosal 18 (10.2) 13 (16.3) 0 0.1
Intramural 148 (84.1) 62 (77.5) 14 (73.7) 0.3
Subserosal 50 (28.4) 29 (36.3) 4 (21.1) 0.3
Pedunculated 6 (3.4) 4 (5.0) 2 (10.5) 0.2
Max Diameter mean (SD) 2.3 (1.8) 2.6 (1.8) 2.8 (2.7) 0.2
<2 cm 109 (61.9) 42 (52.5) 12 (63.2) 0.5
2- 3.9 cm 42 (23.9) 22 (27.5) 3 (15.8)
4+ cm 25 (14.2) 16 (20.0) 4 (21.1)
Total Volume mean (SD) 20.6 (66.5) 20.7 (43.0) 36.8 (93.3)e 0.2
<1 cc 61 (34.7) 22 (27.5) 8 (42.1) 0.5
1- 4.9 cc 61 (34.7) 25 (31.3) 5 (26.3)
5+ cc 54 (30.7) 33 (41.3) 6 (31.6)
Number mean (SD) 2.0 (1.6) 2.0 (1.5) 1.3 (0.6) 0.1
Single 99 (56.3) 49 (61.3) 15 (79.0) 0.2
Multiple 77 (43.8) 31 (38.8) 4 (21.1)

aData are presented as n (percentage) of fibroids within each scar group. bN=4 women with questionable fibroids (N=2 in both No Scar and Raised Scar) not included. cPearson Chi-Square tests for counts and Mann-Whitney U Test for continuous measures. Fisher’s exact test used when expected cell counts <5. dWomen with multiple fibroids may have multiple types, so p-values reflect differences in percentages across scar categories within each type. eIncludes one outlier, a woman with very large fibroids (380cc); mean Total Volume (SD) without this observation: 17.8 (43.6).