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Table 2 Demographics and clinical details of this study

From: Radiographic and clinical evidence: osteoarthritic knee can change surgical result for lumbar degenerative disease patient undergone surgery for 3-year follow-up: a retrospective comparative clinical study

   Knee Osteoarthritis  
  Total cases Group I (KL 1,2) Group II (KL 3,4) p-value
n(%) 74 (100) 39 (52.7) 35 (47.3)
Sex, n (%)
 Male 20 (27.0) 14 (35.9) 6 (17.14) 0.070 a
 Female 54 (73.0) 25 (64.1) 29 (82.86)  
Age (mean ± SD), year(s) 67.84 ± 9.38 66.38 ± 10.01 69.46 ± 8.47 0.139b
Age > 70 y, n (%) 58 (78.38) 28 (71.79) 30 (85.71) 0.146a
BMI (SD), kg/m2 25.3 ± 8.9 24.6 ± 5.7 25.9  ± 11.2 0.231b
Diagnosis
 Spinal stenosis 35 16 19 0.928a
 Spondylolisthesis 19 10 9
 Postoperative state of HNP 11 5 6
 Postoperative state of ST 9 5 4
 DM, n (%) 21 (28.38) 12 (30.77) 9 (25.71) 0.630a
 HTN, n (%) 24 (32.43) 14 (35.90) 10 (28.57) 0.501a
 Coronary A dis., n (%) 11 (14.86) 7 (17.95) 4 (11.43) 0.431a
  1. Values are presented as mean ± standard deviation
  2. a chi-square test
  3. b student t test
  4. KL Kellgren-Lawrence grade, SD standard deviation, BMI Body mass index, DM Diabetes mellitus, HTN Hypertension, Coronary A dis. Coronary artery disease