Table 1.
Demograhic and clinical characteristics of the operative and non-operative cohorts*
| Characteristic | Non-Operative | Operative | p-value |
|---|---|---|---|
|
| |||
| Age (mean, SD) | 60.2(11.9) | 60.8(11.9) | .24 |
| Biologic Sex | - | - | .11 |
| Male Sex | 62(51) | 54(62) | - |
| Female Sex | 60 (49) | 33(38) | - |
| White | 102(84) | 76(87) | .45 |
| Body Mass Index (mean. SD) | 26.9(6.1) | 27.7(6.1) | .22 |
| Number of Co-morbidities (mean. SD) | 2.5 (0.9) | 2.3 (0.8) | .04 |
| Serum Albumin | - | - | .86 |
| Albumin <3.5g/dL | 35 (29) | 24 (28) | - |
| Albumin ≥3.5g/dL | 87(71) | 63(72) | - |
| Ambulatory Status at Presentation | - | - | .39 |
| Independent Ambulator | 76 (62) | 49(56) | - |
| Ambulatory with Assistance/Non-ambulatory | 46(38) | 38 (44) | - |
| Performance Status | - | - | .50 |
| Poor | 11(9) | 11(13) | - |
| Moderate | 40(33) | 32(37) | - |
| Good | 71 (58) | 44(51) | - |
| Neurologic Status at Presentation | - | - | .008 |
| Neurologic Intact | 97 (80) | 52(60) | - |
| Neurologic Deficits | 24 (20) | 34(39) | - |
| Bone Metastases | 72(59) | 42(48) | .12 |
| Visceral Metastases | 66(54) | 44(51) | .62 |
| Type of Lesion | - | - | .05 |
| Blastic | 29(24) | 13(15) | - |
| Mixed (lytic/blastic) | 32 (26) | 15(18) | - |
| Lytic | 61(50) | 57(67) | - |
| New England Spinal Metastases Score | - | - | .69 |
| 0 | 16(13) | 14(16) | - |
| 1 | 29(24) | 23(26) | - |
| 2 | 52 (43) | 30(34) | - |
| 3 | 25(20) | 20 (23) | - |
| Tokuhashi Score (mean/SD) | 8.5 (2.9) | 8.3 (2.9) | .53 |
| Tomita Score (mean/SD) | 5.9 (2.5) | 5.9 (2.8) | .94 |
| Spinal Instability Neoplastic (SINS) Score (mean/SD) | 9.7 (3.0) | 11 (3.2) | .004 |
*
All values are presented as raw number and percentage (rounded to the nearest whole number) except where noted.