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Table 1 Characteristics of TKA Patients

From: Intraoperative hypothermia in patients undergoing Total knee arthroplasty: a cross-sectional study from a developing country

Variables Overall (N = 286) Intraoperative Hypothermia p-value
Yes (N = 76) No (N = 210)
Age 61.4 ± 10.4 63.7 ± 10.1 60.5 ± 10.5 0.023
Gender     0.200
 Male 64 (22.4) 21 (27.6) 43 (20.5)  
 Female 222 (77.6) 55 (72.4) 167 (79.5)  
HTN     0.418
 Yes 184 (64.3) 46 (60.5) 138 (65.7)  
 No 102 (35.7) 30 (39.5) 72 (34.3)  
DM     0.551
 Yes 79 (27.6) 19 (25.0) 60 (28.6)  
 No 207 (72.4) 57 (75.0) 150 (71.4)  
Rheumatoid Arthritis
 Yes 2 (0.7) 0 (0) 2 (1.0) >  0.999
 No 284 (99.3) 76 (100) 208 (99.0)  
Osteoarthritis     0.252
 Yes 9 (3.1) 4 (5.3) 5 (2.4)  
 No 277 (96.9) 72 (94.7) 205 (97.6)  
Site     0.018
 Right 46 (16.1) 19 (25.0) 27 (12.9)  
 Left 51 (17.8) 16 (21.1) 35 (16.7)  
 Bilateral 189 (66.1) 41 (53.9) 148 (70.5)  
ASA Level     0.049
 Level 1 17 (5.9) 2 (2.6) 15 (7.1)  
 Level 2 211 (73.8) 64 (84.2) 147 (70.0)  
 Level 3 58 (20.3) 10 (13.2) 48 (22.9)  
Preoperative Hypothermia     0.620
 Yes 62 (21.7) 18 (23.7) 44 (21.1)  
 No 224 (78.3) 58 (76.3) 166 (79.0)  
Postoperative Hypothermia     0.002
 Yes 38 (13.3) 18 (23.7) 20 (9.5)  
 No 248 (86.7) 58 (76.3) 190 (90.5)  
SSI     0.462
 Yes 2 (0.7) 1 (1.3) 1 (0.5)  
 No 284 (99.3) 75 (98.7) 209 (99.5)  
Duration of Surgery (mins) 201.2 ± 66.2    
 Unilateral 131.4 ± 36.1 126.4 ± 38.6 135.2 ± 33.8 0.2466
 Bilateral 237.0 ± 46.6 228.3 ± 49.2 240.4 ± 45.3 0.1246