Table 5. Patients characteristic of malignant transformed and untransformed cases in PMOLS.

Patients Characteristics	Untransformed PMOLs (N = 62)	Malignant transformed PMOLs (N = 10)	P-value
Age (Years)
Mean ± SD	37.81± 11.98	43.60± 18.65	0.383
Range	20–80	22–75
Sex N (%)
Female	17 (27.42%)	1 (10%)	0.238
Male	45 (72.58%)	9 (90%)
Dysplasia
Present	41 (66.13%)	10 (100%)	0.029
Mild	7	0
Moderate	15	0
Severe	19	10
Absent	21 (33.87%)	0 (0%)
Tobacco chewing habit
Present	40 (64.52%)	8 (80%)	0.335
Absent	22 (35.48%)	2 (20%)
Alcohol
Present	24 (38.71%)	4 (40%)	0.938
Absent	38 (61.29%)	6 (60%)
Smoke
Present	29 (46.77%)	7 (70%)	0.173
Absent	33 (53.23%)	3 (30%)
Follow—up
Mean	26.21	29.41	0.749
Range(months)	3–55	10–60
FGF-2 expression
Negative	47 (75.81%)	1 (10%)	0.000
Positive	15 (24.19%)	9 (90%)
FGFR-2 expression
Negative	46 (74.19%)	2 (20%)	0.001
Positive	16 (25.81%)	8 (80%)
FGFR-3 expression
Negative	39 (62.90%)	4 (40%)	0.171
Positive	23 (37.10%)	6 (60%)