. 2015 Apr 10;10(4):e0123137. doi: 10.1371/journal.pone.0123137

Table 2. Clinical features of the subject population.

	RCF group		RC group
	n = 12		n = 9
	Mean±SD	Range	Mean±SD	Range
Age(years) ^a	45.4±14.1	(22–68)	52.3±11.0	(34–68)
Gender ^b	M = 58.3%	M = 7	M = 66.7%	M = 5
Gender ^b	F = 41.6%	F = 5	F = 33.3%	F = 4
Bilateral size of parotid gland L/R(cm ³) ^a	44.31±18.63	(25.23–76.30)	43.92±15.63	(26.59–75.06)
Dosage cGy ^a	7033±115	(7000–7400)	7088±174	(7000–7400)
V40(%) ^a	33.41±4.82	(23.51–40.72)	36.40±6.37	(24.79–42.76)

^aIndependent sample nonparametric Mann-Whitney U test was used;

^bFisher’s Exact test was used.