Table 1 Baseline characteristics and intraoperative demographics.
Demographic | Control group (n = 40) | HBOT group (n = 38) | p |
|---|---|---|---|
Mean age, years | 68.83 ± 7.23 | 67.42 ± 6.97 | 0.386 |
Sex (Men/Women) | 12/28 | 6/32 | 0.137 |
Mean BMI, kg/m2 | 26.7 ± 3.31 | 26.54 ± 2.73 | 0.812 |
Length of hospital stay, days | 6.5 ± 0.8 | 3.6 ± 0.8 | 0.671 |
Postoperative length of stay, days | 6.6 ± 0.6 | 3.4 ± 0.7 | 0.740 |
ASA (II/III) | 31/9 | 32/6 | 0.452 |
Diabetes | 10 (25%) | 7 (18.42%) | 0.482 |
Hypertension | 19 (47.5%) | 22 (57.89%) | 0.358 |
Operation side (Left/Right, n) | 18/22 | 24/14 | 0.108 |
Normal/Varus/Valgus(n) | 12/14/14 | 12/15/11 | 0.842 |
Flexion deformity | 20 (50%) | 22 (57.89%) | 0.484 |
Range of Motion (°) | 92.5 ± 5.95 | 91.71 ± 7.72 | 0.616 |
Preoperative quadriceps muscle strength | 4.88 ± 0.21 | 4.86 ± 0.14 | 0.634 |
HSS score | 47.75 ± 6.76 | 49.26 ± 3.52 | 0.217 |
Tourniquet Time | 78.5 (72.75,90.25) | 80 (73.25,94.25) | 0.696 |
Preoperative laboratory outcomes | |||
hemoglobin, g/L | 134.51 ± 12.68 | 133.13 ± 13.7 | 0.768 |
hematocrit, % | 0.42 ± 0.05 | 0.41 ± 0.04 | 0.706 |
IL-6, pg/mL | 3.01 ± 1.49 | 3.47 ± 1.23 | 0.530 |
CRP, mg/L | 4.31 ± 3.74 | 3.16 ± 2.21 | 0.421 |
Mb, ng/mL | 29.15 ± 7.37 | 27.78 ± 10.91 | 0.975 |
CK, U/L | 91.83 ± 22.91 | 93.34 ± 37.44 | 0.999 |
LDH, U/L | 180.17 ± 27.46 | 188.34 ± 21.47 | 0.986 |
GOT, U/L | 19.40 ± 3.98 | 20.74 ± 3.06 | 0.409 |