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Table 1 Comparison of all characteristics of four groups within the Nottingham Knee Pain and Health in the Community study community

From: Neuropathic-like knee pain and associated risk factors: a cross-sectional study in a UK community sample

Characteristics No KP (n = 6822) Non-NKP (n = 1685) Possible NKP (n = 462) Definite NKP (n = 366) P value
Age, yr, mean (±SD) 62.12 (10.64) 61.94 (10.41) 61.80 (10.32) 61.13 (9.96) 0.03*
Body mass index, kg/m2, mean (±SD) 26.61 (4.76) 28.30 (5.42) 29.84 (6.39) 31.49 (7.77) < 0.001*
Female gender, n (%) 3806 (55.80.09) 956 (56.74) 258 (55.84) 242 (66.12) 0.02*
High-risk occupation, n (%) 2660 (38.99) 783 (46.47) 271 (58.66) 193 (52.73)) < 0.001*
Fibromyalgia, n (%) 101 (1.48) 52 (3.09) 26 (5.63) 57 (15.57) < 0.001*
Hypertension, n (%) 1890 (27.70) 555 (32.94) 183 (39.61) 146 (39.89) < 0.001*
High cholesterol, n (%) 1773 (25.99) 495 (29.38) 156 (33.77) 143 (39.07)) < 0.001*
Stroke, n (%) 174 (2.55) 51 (3.02) 14 (3.03) 15 (4.10) 0.05
Diabetes, n (%) 550 (8.06) 172 (10.21) 72 (15.58) 73 (19.95)) < 0.001*
2D:4D digit ratio, n (%) 3256 (47.73) 792 (47.00) 232 (50.22) 142 (38.80) 0.03*
Nodal OA, n (%) 632 (9.62) 234 (14.60) 79 (18.20) 88 (25.36) < 0.001*
Significant injury, n (%) 972 (14.25) 478 (28.38) 165 (35.71) 130 (35.52) < 0.001*
Widespread pain, n (%) 1072 (15.71) 537 (31.87) 209 (45.24) 198 (54.10) < 0.001*
Anxiety, n (%) 754 (11.05) 298 (17.70) 148 (32.03) 191 (52.19) < 0.001*
Depression, n (%) 266 (3.90) 142 (8.43) 91 (19.70) 133 (36.34)) < 0.001*
  1. Abbreviations: KP Knee pain, NKP Neuropathic-like knee pain, OA Osteoarthritis
  2. * is statistical significance <0.05