. Author manuscript; available in PMC: 2013 Oct 1.

Published in final edited form as: Brain Behav Immun. 2012 Jun 9;26(7):1047–1056. doi: 10.1016/j.bbi.2012.06.002

Table 1.

Characteristics of patients with functional disorders relative to controls.

Outcome (N = 72)	Patients, M (SD)	Controls, M (SD)	Paired t-test (df = 35)	p-Value
Self-reported symptoms
Somatic symptoms (PILL)	21.611 (8.247)	3.250 (3.074)	12.437	<0.001^**
Poor sleep quality (PSQI)	9.611 (4.285)	3.194 (2.573)	7.912	<0.001^**
Depressive symptoms (BDI)	11.278 (6.819)	1.167 (1.935)	8.946	<0.001^**
Nocturnal mean levels
ACTH mean	3.702 (1.552)	4.552 (2.731)	−1.712	0.096^†
Cortisol mean	8.740 (2.633)	8.734 (2.152)	0.014	0.989
Nocturnal slope model parameters (11 pm–9 am)				0.989
Cortisol linear slope	0.184 (0.124)	0.228 (0.151)	−1.580	0.123
Cortisol quadratic slope	0.002 (0.004)	−0.0001 (0.005)	1.898	0.067^†
Nocturnal dynamic model (11 pm–9 am)
Steady state gain (λ_A/λ_C)	2.356 (1.201)	1.880 (0.944)	1.765	0.086^†
External influences	0.066 (0.124)	0.089 (0.092)	−1.028	0.311

Paired t-test comparisons of 36 patients and 36 matched healthy controls.

^**

p≤ .01.

^†

p≤ .10.