. 2018 Apr 25;13(4):e0196329. doi: 10.1371/journal.pone.0196329

Table 2. Indices of test performance: Means (M) and standard deviations (SD) for FMS patients and healthy controls; values of F, p and η²_p for the effects of group and the covariate body mass index (BMI).

Test	FMS Patients N = 52 M SD		Control group N = 32 M SD		F [1,82] (group)	p (group)	η²_p (group)	F[1,82] (BMI)	p (BMI)	η²_p (BMI)
Letter Number Sequencing	7.31	2.60	9.63	2.92	14.33	< .0001	.15	9.01	< .01	.10
Arithmetic	9.33	3.05	11.41	3.18	8.90	< .01	.10	5.70	.019	.065
Spatial Span	12.35	2.85	14.47	2.79	11.16	< .0001	.12	0.63	.43	< .01
N-back task (1-back)	92.23	12.05	97.22	4.32	5.10	.027	.060	2.48	.12	.03
N-back task (2-back)	80.54	9.30	83.23	10.23	1.54	.22	.018	1.20	.28	.01
Verbal fluency	24.75	10.99	36.69	10.76	23.74	< .0001	.22	2.49	.12	.029
Ruff Figural Fluency Test	50.33	19.15	69.78	17.45	21.85	< .0001	.21	3.31	.072	.039
Similarities	13.79	4.94	21.06	5.66	38.43	< .0001	.32	7.60	< .01	.085
Stroop Test: Inhibition	35.33	16.34	23.97	12.67	11.27	< .0001	.12	7.72	< .01	.086
Stroop Test: Shifting	13.69	23.07	8.25	14.09	1.45	.23	.017	0.84	.36	.010
Five Digits Test: Inhibition	20.96	13.26	13.59	8.79	7.76	< .01	.086	8.21	< .01	.091
Five Digits Test: Shifting	36.48	18.46	26.69	15.32	6.32	.014	.072	15.12	< .0001	.16
Wisconsin Card Sorting Test	22.65	12.04	19.38	13.40	1.13	.29	.014	4.59	.026	.059
Iowa Gambling Task	7.10	24.12	16.46	28.10	2.63	.11	.031	5.28	.024	.061
Key Search Task	7.60	3.33	9.59	3.81	6.38	.013	.072	2.61	.11	.031
Zoo Map Test	11.29	3.52	14.63	1.48	25.83	< .0001	.24	2.75	.10	.032
Revised Strategy Application Test	83.29	15.14	87.59	11.93	1.87	.18	.022	7.90	< .01	.088

Table 2. Indices of test performance: Means (M) and standard deviations (SD) for FMS patients and healthy controls; values of F, p and η2p for the effects of group and the covariate body mass index (BMI).