Fig 1.
Study population selection process (N = 401).
Abbreviations: ESR, erythrocyte sedimentation rate; VO, vertebral osteomyelitis.
Table 1.
Baseline demographics and clinical characteristics among patients with pyogenic vertebral osteomyelitis (N = 401).
Fig 2.
Group-based trajectory modeling of 6-month erythrocyte sedimentation rate (ESR) among patients with pyogenic vertebral osteomyelitis.
Table 2.
Variability of erythrocyte sedimentation rate (ESR) during the first 4 weeks following pyogenic vertebral osteomyelitis diagnosis (N = 342), based on ESR trajectory pattern.
Table 3.
Prediction of erythrocyte sedimentation rate (ESR) trajectory group (Groups 1, 2, 3) through ordinal logistic regression based on ESR within 4 weeks of pyogenic vertebral osteomyelitis diagnosis.
Fig 3.
Predictive probabilities for erythrocyte sedimentation rate (ESR) trajectories based on the initial ESR value and the absolute differencea in ESR within 4 weeks of pyogenic vertebral osteomyelitis diagnosis.
Table 4.
Prediction of prolonged treatment duration (≥12 weeks) using logistic regression model based on erythrocyte sedimentation rate within 4 weeks of pyogenic vertebral osteomyelitis diagnosis.
Table 5.
Prediction of 6-month recurrence using logistic regression model based on erythrocyte sedimentation rate within 4 weeks of pyogenic vertebral osteomyelitis diagnosis.
Fig 4.
Receiver operating characteristic curve for the predictive model of treatment duration ≥12 weeks.
Footnotes: Predictors in Model 2–1: Initial ESR, ESR − AD ≥ −9. Predictors in Model 2–2: Initial ESR, ESR − AD ≥ −9, ESR − CV. Predictors in Model 2–3: Initial ESR, ESR − AD ≥ −9, ESR − CV, initial CRP, age, gender, diabetes, ESRD, malignancy, CCI ≥ 3, abscess, delayed operation. Abbreviations: AD, absolute difference; AUC, area under the ROC curve; CCI, Charlson’s comorbidity index; CRP, C-reactive protein; CV, coefficient of variation; ESR, erythrocyte sedimentation rate; ESRD, end-stage renal disease; PVO, pyogenic vertebral osteomyelitis; ROC, receiver operating characteristic curve.