. 2016 Aug 4;11:19. doi: 10.1186/s13013-016-0083-x

Table 5.

Sensitivity of differentiating known clinical groups

	Treatment (observation versus bracing or surgery)							Treatment (observation versus bracing)
	Observation (n = 139)		Bracing/Surgery (n = 88)					Observation (n = 139)		Bracing (n = 67)
	Mean	SD	Mean	SD	P-value*	ES^a		Mean	SD	Mean	SD	P-value*	ES^a
EQ-5D-5L	0.96	0.07	0.89	0.15	<0.001	0.66	EQ-5D-5L	0.96	0.07	0.89	0.14	<0.001	0.62
SRS-22r							SRS-22r
Function/activity	4.93	0.20	4.53	0.55	<0.001	0.95	Function/activity	4.93	0.20	4.58	0.50	<0.001	0.92
Pain	4.79	0.29	4.48	0.56	<0.001	0.70	Pain	4.79	0.29	4.52	0.49	<0.001	0.66
Appearance	4.03	0.55	3.78	0.74	0.004	0.39	Appearance	4.03	0.55	3.68	0.68	<0.001	0.57
Mental Health	4.49	0.51	4.31	0.67	0.028	0.29	Mental Health	4.49	0.51	4.32	0.63	0.038	0.30
Satisfaction with management	0.25	1.02	2.37	2.01	<0.001	−1.33	Satisfaction with management	0.25	1.02	2.13	2.01	<0.001	−1.18
Total	4.56	0.28	4.25	0.52	<0.001	0.73	Total	4.56	0.28	4.25	0.48	<0.001	0.78
	Treatment (Bracing versus Surgery)							Duration of Bracing
	Bracing (n = 67)		Surgery (n = 21)					<1 year (n = 34)		≥1 year (n = 20)
	Mean	SD	Mean	SD	P-value*	ES^a		Mean	SD	Mean	SD	P-value*	ES^a
EQ-5D-5L	0.89	0.14	0.86	0.18	0.372	0.21	EQ-5D-5L	0.82	0.15	0.91	0.14	0.023	−0.66
SRS-22r							SRS-22r
Function/activity	4.58	0.50	4.38	0.69	0.156	0.33	Function/activity	4.40	0.52	4.58	0.51	0.226	−0.34
Pain	4.52	0.49	4.33	0.73	0.184	0.30	Pain	4.54	0.34	4.48	0.58	0.657	0.14
Appearance	3.68	0.68	4.11	0.83	0.021	−0.56	Appearance	3.60	0.74	3.67	0.62	0.732	−0.10
Mental Health	4.32	0.63	4.30	0.83	0.924	0.02	Mental Health	4.27	0.65	4.28	0.66	0.972	−0.01
Satisfaction with management	2.13	2.01	3.15	1.84	0.046	−0.53	Satisfaction with management	2.43	2.12	2.52	1.96	0.875	−0.04
Total	4.25	0.48	4.25	0.67	0.991	0.002	Total	4.19	0.49	4.22	0.50	0.780	−0.08
	Cobb angle (mild or moderate versus severe)							Modified Lenke Classification
	≤40° (n = 205)		>40° (n = 20)					Thoracic curve (n = 86)		Lumbar curve (n = 38)		Thoracic & Lumbar curve (n = 103)
	Mean	SD	Mean	SD	P-value*	ES^a		Mean	SD	Mean	SD	Mean	SD	P-value*
EQ-5D-5L	0.93	0.11	0.91	0.12	0.402	0.19	EQ-5D-5L	0.92	0.13	0.93	0.11	0.95	0.10	0.271
SRS-22r							SRS-22r
Function/activity	4.78	0.41	4.69	0.52	0.349	0.20	Function/activity	4.73	0.44	4.81	0.39	4.79	0.42	0.522
Pain	4.68	0.43	4.55	0.53	0.216	0.27	Pain	4.64	0.39	4.69	0.38	4.68	0.50	0.753
Appearance	3.96	0.63	3.72	0.76	0.116	0.34	Appearance	3.94	0.70	3.84	0.58	3.97	0.61	0.583
Mental Health	4.45	0.55	4.16	0.81	0.037	0.41	Mental Health	4.41	0.62	4.36	0.61	4.45	0.55	0.703
Satisfaction with management	1.09	1.84	0.90	1.47	0.662	0.11	Satisfaction with management	1.10	1.86	0.99	1.82	1.07	1.77	0.949
Total	4.46	0.40	4.25	0.57	0.032	0.42	Total	4.42	0.45	4.42	0.37	4.46	0.41	0.788

* P-value of independent t-test or analysis of variance test, where appropriate

^aCohen’s effect size was calculated as the difference between mean scores, divided by pooled SD

N number of subjects, SD standard deviation, ES effect size