. 2018 Nov;15(6):332–338.

Table 5.

Depression index and non-specific physical symptoms in rheumatoid arthritis (RA) patients with and without clinical TMDs

RA group		N	Mean	Std. Deviation	Std. Error	Statistical significance (P<0.05)
Depression index	TMD	26	1.83	0.83	0.16	Independent-samples t-test (P=0.037) ^*
Depression index	Non-TMD	26	1.35	0.77	0.15	Independent-samples t-test (P=0.037) ^*
Non-specific physical symptoms (pain included)	TMD	26	1.93	0.83	0.16	Independent-samples t-test (P=0.001) ^*
Non-specific physical symptoms (pain included)	Non-TMD	26	1.15	0.72	0.14	Independent-samples t-test (P=0.001) ^*
Non-specific physical symptoms (pain excluded)	TMD	26	1.76	0.85	0.17	Independent-samples t-test (P=0.003) ^*
Non-specific physical symptoms (pain excluded)	Non-TMD	26	1.06	0.74	0.14	Independent-samples t-test (P=0.003) ^*

One-sample Kolmogorov-Smirnov test was carried out before this test to determine the normality of the groups