Table 1 Characteristics of TKA Patients
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 |