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Table 1 Baseline Descriptive Characteristics of Individuals with and without Incident Accelerated Knee Osteoarthritis (AKOA)

From: Early pre-radiographic structural pathology precedes the onset of accelerated knee osteoarthritis

Variables AKOA No AKOA
[(means (SD); except where noted) (n = 113) (n = 241)
Females, n(%) 71(63%) 151(63%)
Index knee KL Grade = 0, n(%)a 37(33%) 157(65%)
Frequent knee pain in past 12 months, n(%) 62(57%) 75(31%)
Age (years) 65.6(8.4) 60.1(8.4)
Body mass index (kg/m2) 29.5(4.4) 27.5(4.5)
Global impact rating (0 to 10; ↑score = ↑ impact) 2.2(2.1) 1.0(1.4)
WOMAC pain (0 to 20; ↑score = ↑pain) 3.4(3.7) 1.6(2.6)
  1. aIndex knee Kellgren-Lawrence (KL) grade could be 0 or 1. SD standard deviation, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index, kg/m2 kilogram per meters squared