Table 2 Characteristics of hybrid surgery and multilevel ACDF cohorts
From: A real-world analysis of hybrid CDA and ACDF compared to multilevel ACDF
Hybrid Surgery ALL Patients | mACDF ALL Patients | Standardized Difference 2 | |||
|---|---|---|---|---|---|
N= | 430 | N= | 2,136 | ||
N/Mean | %/SD | N/Mean | %/SD | ||
Age (Mean, SD) | 48.8 | 9.2 | 49.2 | 9.2 | 4.0 |
Median | 49.0 | 49.0 | |||
Range | 24 | 80 | 18 | 92 | |
Sex (N, %) | |||||
Male | 211 | 49.1% | 1,047 | 49.0% | 0.1 |
Female | 219 | 50.9% | 1,089 | 51.0% | 0.1 |
Geographic region (N, %) | |||||
Northeast | 71 | 16.5% | 338 | 15.8% | 1.9 |
North Central | 81 | 18.8% | 396 | 18.5% | 0.8 |
South | 197 | 45.8% | 993 | 46.5% | 1.4 |
West | 76 | 17.7% | 393 | 18.4% | 1.9 |
Unknown | 5 | 1.2% | 16 | 0.7% | 4.3 |
Population Density (N, %) | |||||
Urban | 392 | 91.2% | 1,773 | 83.0% | 24.5 |
Rural | 33 | 7.7% | 348 | 16.3% | 26.8 |
Unknown | 5 | 1.2% | 15 | 0.7% | 4.8 |
Insurance plan type 1 (N, %) | |||||
Comprehensive/indemnity | 13 | 3.0% | 67 | 3.1% | 0.7 |
EPO/PPO | 262 | 60.9% | 1,258 | 58.9% | 4.2 |
POS/POS with capitation | 38 | 8.8% | 202 | 9.5% | 2.1 |
HMO | 43 | 10.0% | 200 | 9.4% | 2.2 |
CDHP/HDHP | 68 | 15.8% | 368 | 17.2% | 3.8 |
Other/Unknown | 6 | 1.4% | 41 | 1.9% | 4.1 |
Index year (N, %) | |||||
2014 | 66 | 15.3% | 312 | 14.6% | 2.1 |
2015 | 84 | 19.5% | 446 | 20.9% | 3.4 |
2016 | 60 | 14.0% | 308 | 14.4% | 1.3 |
2017 | 87 | 20.2% | 462 | 21.6% | 3.4 |
2018 | 73 | 17.0% | 345 | 16.2% | 2.2 |
2019 | 59 | 13.7% | 254 | 11.9% | 5.5 |
2020 | 1 | 0.2% | 9 | 0.4% | 3.3 |
Charlson Comorbidity Index (CCI) (Mean, SD) | 0.5 | 0.9 | 0.4 | 0.9 | 1.7 |
Range | 0 | 8 | 0 | 8 | |
Spinal Disease Conditions (N, %) | |||||
Cervical spondylosis | 229 | 53.3% | 1,211 | 56.7% | 6.9 |
Degenerative disc disease | 182 | 42.3% | 866 | 40.5% | 3.6 |
Other cervical disc disorders | 263 | 61.2% | 1,006 | 47.1% | 28.5 |
Other Comorbid Conditions (N, %) | |||||
Osteoporosis | 4 | 0.9% | 23 | 1.1% | 1.5 |
Radiculopathy or myelopathy | 263 | 61.2% | 1,261 | 59.0% | 4.3 |
Pain conditions | 337 | 78.4% | 1,645 | 77.0% | 3.3 |
Neck | 307 | 71.4% | 1,492 | 69.9% | 3.4 |
Shoulder | 98 | 22.8% | 518 | 24.3% | 3.4 |
Arm | 64 | 14.9% | 313 | 14.7% | 0.6 |
Duration of Follow-up (Mean, SD) | 687.3 | 519.0 | 718.4 | 563.7 | 5.7 |
Range | 2 | 2287 | 1 | 2368 | |