Table 4.

Correlation between MDS-UPDRS items and periodontal clinical measures.

MDS-UPDRS	No. of Missing Teeth	Plaque Index (%)	BoP (%)	Mean PPD (mm)	Mean CAL (mm)	Mean REC (mm)
1.1 (Cognitive Impairment)	0.072	−0.152	−0.199	−0.321	−0.117	−0.071
1.3 (Depressed mood)	0.234	0.069	0.394 *	0.132	0.280	0.263
1.5 (Apathy)	0.350	−0.066	−0.040	−0.163	0.098	0.203
2.1 (Speech)	0.419 *	0.005	0.101	−0.098	0.044	−0.001
2.2 (Saliva and drooling)	−0.044	0.060	0.175	−0.037	−0.202	−0.256
2.3 (Chewing and swallowing)	0.319	0.137	0.126	0.023	0.225	0.178
2.4 (Eating tasks)	0.404 *	−0.141	0.019	−0.098	0.076	0.046
2.6 (Hygiene)	−0.003	−0.127	0.002	−0.121	−0.013	−0.096
2.7 (Writing)	0.185	−0.055	−0.014	−0.040	0.062	−0.004
2.10 (Tremor)	0.004	0.220	0.269	0.266	0.544	−0.111
3.3. (Rigidity UE)	0.180	0.387 *	0.382 *	0.452 *	0.230	0.004
3.4 (Finger tapping)	0.252	0.145	0.105	0.146	0.288	0.200
3.5 (Hand movements)	0.059	0.080	0.049	0.136	0.049	−0.083
3.6 (Pronation)	0.127	0.013	−0.127	−0.027	0.062	−0.009
3.15 (Hands postural tremor)	0.102	0.060	0.451 *	0.235	0.212	0.120
3.16 (Hands kinetic tremor)	−0.100	0.559 **	0.541 **	0.431 *	0.213	0.018
3.17 (Rest tremor amplitude UE)	−0.134	0.188	0.057	0.258	0.119	0.061
3.17e (Rest tremor amplitude Lip/jaw)	0.263	0.012	0.143	0.048	0.107	0.131
3.18 (Constancy of rest tremor)	−0208	0.128	0.100	0.208	−0.038	−0.123

Spearman correlation, * p < 0.05, ** p < 0.01.