Table 1 Patient characteristics, surgery type, and surgical duration
P value (all groups) | Group SN (n = 28) | Group SD (n = 27) | P value (group SN vs. SD) | Group TN (n = 30) | Group TD (n = 30) | P value (group TN vs. TD) | |
|---|---|---|---|---|---|---|---|
Age (yr) | 0.587 | 72.3 (6.2) | 72.6 (4.3) | 0.066 | 73.5 (7.2) | 74.5 (6.5) | 0.884 |
Gender (M/F) | 0.977 | 8/20 | 9/19 | 0.873 | 8/22 | 10/20 | 0.791 |
Height (cm) | 0.547 | 156.3 (8.4) | 158.8 (7.5) | 0.888 | 156.9 (7.8) | 158.5 (9.0) | 0.301 |
Weight (kg) | 0.895 | 58.3 (8.2) | 58.0 (9.7) | 0.368 | 56.7 (10.4) | 58.4 (11.2) | 0.844 |
ASA class (I/II) | 0.115 | 8/20 | 4/23 | 0.217 | 11/19 | 13/17 | 0.598 |
Type of surgery | 0.656 | 0.747 | 0.980 | ||||
Total hip replacement | 4 (14.3) | 2 (7.4) | 4 (13.3) | 4 (13.3) | |||
Total knee replacement | 7 (25) | 5 (18.5) | 3 (10) | 4 (13.3) | |||
Long bone fracture fixation | 6 (21.4) | 7 (25.9) | 13 (43.3) | 12 (40) | |||
Spinal surgery | 11 (39.3) | 14 (48.1) | 10 (33.3) | 10 (33.3) | |||
Duration of surgery (min) | 0.717 | 116.7 (29.7) | 115.7 (29.6) | 0.684 | 115.3 (39.1) | 107.0 (34.6) | 0.386 |