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Table 1 Baseline sociodemographic and clinical characteristics of patients

From: Evaluation of a single-shot of a high-density viscoelastic solution of hyaluronic acid in patients with symptomatic primary knee osteoarthritis: the no-dolor study

 

Total patients

(N = 166)

Age, mean years (SD)

63.2 (11.1)

Gender, n (%)

Male

40 (24.1)

Female

126 (75.9)

Body mass index, mean Kg/m2 (SD)

28.6 (4.3)

Time from OA diagnosis to treatment, mean years (SD)

7.2 (7.5)

Type of primary knee OA, n (%) *

Patellofemoral

70 (42.4)

Femorotibial

95 (57.6)

Radiological grading (Kellgren-Lawrence classification), n (%)

Grade 2 (Mild)

39 (23.5)

Grade 3 (Moderate)

113 (68.1)

Grade 4 (Severe)

14 (8.4)

Previous intra-articular injections for knee OA, n (%)

No

103 (62.0)

Yes

63 (38.0)

Type of injection, n (%)

Corticosteroids

50 (79.4)

HA

23 (36.5)

Time since last corticosteroid injection, mean months (SD)

38.8 (48.1)

Time since last HA injection, mean months (SD)

26.4 (23.4)

  1. SD, standard deviation; OA, osteoarthritis; HA, hyaluronic acid
  2. * Information from one patient was missing