Table 2. The clinical and disease characteristics of the patients.

	%	Mean±SD	Median	Min-Max
Body mass index (kg/m2)		29.47±4.52
Obesity	42.5
Right-hand dominance	85.2
Hand deformity (squaring and DIP joint deformity)	53.4
Heberden’s nodes (%) and involvement pattern	86.3
Right 2nd finger	53.3
Right 3rd finger	62.3
Right 4th finger	45.8
Right 5th finger	42.3
Left 2nd finger	49.4
Left 3rd finger	58.8
Left 4th finger	37.5
Left 5th finger	41.0
Bouchard’s nodes (%) and involvement pattern	36.5
Right 2nd finger	15.2
Right 3rd finger	21.5
Right 4th finger	14.4
Right 5th finger	14.0
Left 2nd finger	14.0
Left 3rd finger	18.1
Left 4th finger	12.7
Left 5th finger	12.5
Total number of Heberden’s nodes per hand		4.24±2.65
Total number of Bouchard’s nodes per hand			2	0-8
First CMC joint pain	46.5
Right hand	42.1
Left hand	40.4
DIP joint pain
Right hand	40.4
Left hand	41.9
Grip strength (kg)
Right hand		20.91±11.96
Left hand		18.84±10.74
Pain duration (month)			24	1-480
VAS-pain		4.97±2.37
Morning stiffness	47.4
Duration of morning stiffness (min)			10	0-90
DHI score		16.42±14.80
DIP: Distal interphalangeal; CMC: Carpometacarpal; VAS: Visual Analog Scale; DHI: Duruöz Hand Index.