Table 2.

IES Scores by Type of Testing and Genetic Test Result

		Susceptibility Protocol			Deterministic Protocol
		APOE ε4− (n = 52)	APOE ε4+ (n = 49)	All (n = 101)	Negative (n = 13)	Positive (n = 9)	All (n=22)
Total IES Scores	Mean (SD)	4.4 (8.8)*	8.1 (8.7)*	6.2 (8.9)	8.2 (11.4)	9.1 (14.8)	8.6 (12.6)
	Range	0–41	0–32	0–41	0–40	0–45	0–45
	Number of persons scoring above clinical significance (%)	3 (5.8%)	2 (4.1%)	5 (5.0%)	1 (7.7%)	1 (11.1%)	2 (9.1%)
Intrusion Subscale IES Scores	Mean (SD)	2.0 (4.9)**	3.0 (3.5)	2.5 (4.3)	5.8 (8.9)**	5.1 (10.6)	5.5 (9.4)
	Range	0–25	0–13	0–25	0–30	0–33	0–33
	Number of persons scoring above clinical significance (%)	3 (5.8%)	0 (0.0%)	3 (3.0%)	2 (15.4%)	1 (11.1%)	3 (13.6%)
Avoidance Subscale IES Scores	Mean (SD)	2.4 (4.7)***	5.2 (5.9)***	3.7 (5.5)	2.5 (3.3)	4.0 (5.8)	3.1 (4.4)
	Range	0–24	0–22	0–24	0–10	0–13	0–13
	Number of persons scoring above clinical significance (%)	2 (3.9%)	6 (12.2%)	8 (7.9%)	0 (0.0%)	1 (11.1%)	1 (4.6%)

^*significant difference, p = 0.035

^**significant difference, p = 0.045

^***significant difference, p = 0.009