Table 2.

Comparisons of mean DRC between dichotomized proteins’ concentration subgroups and their correlation on a continuous scale

Variable	No. (%)	DRC (Mean ± SD)	P value *	P value †	P value ‡
p27					0.05
High (>0.745)	58 (50.0)	10.91 ± 3.00	Ref.	Ref.
Low (≤0.745)	58 (50.0)	9.12± 2.41	0.00	0.00
CCND1					0.01
High (>0.408)	60 (50.0)	10.67 ± 2.89	Ref.	Ref.
Low (≤0.408)	60 (50.0)	9.40 ± 2.65	0.01	0.03
ATM					0.03
High (>0.623)	58 (50.0)	10.68 ± 3.10	Ref.	Ref.
Low (≤0.623)	58 (50.0)	9.37 ± 2.46	0.01	0.03
MDM2					0.04
High (>0.853)	60 (50.0)	10.51 ± 2.91	Ref.	Ref.
Low (≤0.853)	60 (50.0)	9.55 ± 2.70	0.07	0.03
p73					0.16
High (>0.242)	60 (50.0)	10.56 ± 2.76	Ref.	Ref.
Low (≤0.242)	60 (50.0)	9.50 ± 2.83	0.04	0.07
p21					0.08
High (>0.510)	58 (49.6)	10.52 ± 2.62	Ref.	Ref.
Low (≤0.510)	59 (50.4)	9.56 ± 3.01	0.07	0.09
p53					0.24
High (>0.423)	58 (49.6)	10.33 ± 2.88	Ref.	Ref.
Low (≤0.423)	59 (50.4)	9.75 ± 2.82	0.28	0.13
p16					0.02
High (>0.564)	60 (50.0)	10.34 ± 2.80	Ref.	Ref.
Low (≤0.564)	60 (50.0)	9.72 ± 2.86	0.23	0.18

^*Two-sided Student's t tests

^†Obtained from GLM with adjustment for age, sex, blastogenic rate and storage time

^‡Obtained from Pearson correlation analysis for between the protein expression levels and DRC levels on a continuous scale.