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Table 3 Results of Bivariate analysis

From: Obesity & hypertension are determinants of poor hemodynamic control during total joint arthroplasty: a retrospective review

  Poor hemodynamic control  
Variable No Yes Relative Risk (95% CI)
Age group    
 <55 17 (58.6%) 12 (41.4%)  
 55-65 29 (65.9%) 15 (34.1%) 0.8 (0.5, 1.5)
 >65 22 (50.0%) 22 (50.0%) 1.2 (0.7, 2.0)
Sex    
 Male 17 (73.9%) 6 (26.1%)  
 Female 52 (54.7%) 43 (45.3%) 1.7 (0.8, 3.6)
BMI group    
 <25 20 (74.1%) 7 (25.9%)  
 25-30 23 (57.5%) 17 (42.5%) 1.6 (0.8, 3.4)
 >30 20 (52.6%) 18 (47.4%) 1.8 (0.9, 3.8)
History of Hypertension    
 No 29 (69.0%) 13 (31.0%)  
 Yes 40 (52.6%) 36 (47.4%) 1.5 (0.9, 2.5)
Number of anti-Hypertensive meds    
 0 34 (70.8%) 14 (29.2%)  
 1 15 (48.4%) 16 (51.6%) 1.8 (1.0, 3.1)
 2 12 (52.2%) 11 (47.8%) 1.6 (0.9, 3.0)
 >2 8 (50.0%) 8 (50.0%) 1.7 (0.9, 3.3)
Pre-operative hypertension    
 No 34 (82.9%) 7 (17.1%)  
 Yes 34 (44.7%) 42 (55.3%) 3.2 (1.6, 6.5)
Hypertensive urgency    
 No 66 (61.1%) 42 (38.9%)  
 Yes 2 (22.2%) 7 (77.8%) 2.0 (1.3, 3.0)
Hypertension group    
 None 17 (85.0%) 3 (15.0%)  
 Controlled 17 (81.0%) 4 (19.0%) 1.3 (0.3, 5.0)
 Uncontrolled 34 (44.7%) 42 (55.3%) 3.7 (1.3, 10.7)
ASA    
 1 3 (75.0%) 1 (25.0%)  
 2 50 (58.1%) 36 (41.9%) 1.7 (0.3, 9.3)
 3 16 (57.1%) 12 (42.9%) 1.7 (0.3, 9.9)
Indication for Surgery: Rheumatoid Arthritis    
 No 56 (56.0%) 44 (44.0%)  
 Yes 13 (72.2%) 5 (27.8%) 0.6 (0.3, 1.4)
Diabetes    
 No 60 (60.0%) 40 (40.0%)  
 Yes 9 (50.0%) 9 (50.0%) 1.3 (0.7, 2.1)
Anesthesia Type: Spinal    
 No 4 (30.8%) 9 (69.2%)  
 Yes 65 (61.9%) 40 (38.1%) 0.6 (0.4, 0.9)
Duration of surgery group    
 3 hours or less 61 (62.2%) 37 (37.8%)  
 >3 hours 8 (44.4%) 10 (55.6%) 1.5 (0.9, 2.4)
Unilateral vs Bilateral    
 Unilateral 46 (62.2%) 28 (37.8%)  
 Bilateral 23 (52.3%) 21 (47.7%) 1.3 (0.8, 1.9)