Table 1.
Demographics and surgical characteristics
| Sodium hyaluronate carrier (n=54), n (%) | Glycerol carrier (n=75), n (%) | No carrier (n=94), n (%) | P | |
|---|---|---|---|---|
| Age (years) | 65.8 (9.86) | 66.7 (8.76) | 66.6 (9.58) | 0.739 |
| Sex | ||||
| Female | 30 (55.6) | 37 (49.3) | 42 (44.7) | 0.442 |
| Male | 24 (44.4) | 38 (50.7) | 52 (55.3) | |
| BMI (kg/m2) | 29.9 (5.30) | 28.9 (4.66) | 28.8 (4.47) | 0.470 |
| Diabetes diagnosis | 10 (18.5) | 13 (17.3) | 13 (13.8) | 0.334 |
| CCI | 3.00 (1.90) | 3.40 (1.87) | 3.21 (2.03) | 0.515 |
| Smoking | ||||
| Nonsmoker | 31 (57.4) | 44 (58.7) | 57 (60.6) | 0.801 |
| Current smoker | 5 (9.26) | 4 (5.33) | 9 (9.57) | |
| Former smoker | 18 (33.3) | 27 (36.0) | 28 (29.8) | |
| Hospital LOS (days) | 188 (62.0) | 181 (50.6) | 180 (39.8) | 0.189 |
| Operative duration (min) | 3.00 (1.45) | 3.35 (1.61) | 3.37 (4.06) | 0.933 |
| Total levels decompressed | 1.56 (0.74) | 1.62 (0.81) | 1.57 (0.96) | 0.886 |
| Levels fused | ||||
| L3–L4 | 8 (14.8) | 5 (6.67) | 11 (11.7) | 0.314 |
| L4–L5 | 46 (85.2) | 70 (93.3) | 83 (88.3) | |
| Diagnosis | ||||
| Spondylolisthesis | 45 (83.3) | 73 (97.3) | 90 (95.7) | 0.007 |
| Nonspondylolisthesis | 9 (16.7) | 2 (2.67) | 4 (4.26) |
BMI - Body mass index; CCI - Charlson Comorbidity Index; LOS - Length of stay