Table 3 Univariate analysis result of variables
Variables | P-value* |
|---|---|
Age | 0.03 |
Sex | 0.12‡ |
Total medical cost | 0.00 |
Duration of hospital stay | 0.00 |
Insurance types | 0.24†|
Spine surgery type: lumbar | 0.00 |
Spine surgery approach: anterior | 0.00 |
Infection | 0.18‡ |
Diabetes | 0.34†|
Hypertension | 0.01 |
Use of NSAIDs | 0.01 |
Invasive procedures | 0.39†|
Bleeding factors | 0.00 |
Trauma | 0.31†|
Anticoagulant use | 0.51†|
Surgical time: >  2 h | 0.00 |
Blood loss: >  0.5 L | 0.00 |
Type of hospital: small hospitals | 0.09‡ |
Number of hospital beds: >  200 | 0.03 |
Location of hospital: rural area | 0.00 |