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Table 3 Comparison of treatment costs (US$)

From: Efficacy of a referral center for patient-centered care in multiple myeloma: a cohort study

  Interview 1 Interview 2     
Cost variable Mean (SEM) Mean (SEM) p* Mean difference (95 % CI) Final mean difference (95 % CI) p**
Blood tests       
 CRMM 161.5 (11.8) 121.6 (16.1) 0.009 −38.51 (−64.66;-12.37) −13.29 (−55.79;29.20) 0.54
 Other 159.1 (17.0) 140.8 (19.7) 0.242 −25.22 (−58.26;7.82)   
X-rays, bone       
 CRMM 27.9 (6.5) 15.6 (5.6) 0.011 −10.93 (−17.93;-3.94) −4.87 (−16.27;6.52) 0.40
 Other 19.2 (5.7) 16.9 (5.3) 0.552 −6.06 (−14.91;2.7)   
X-rays, chest       
 CRMM 11.0 (3.3) 5.5 (1.9) 0.047 −6.57 (−10.40;-2.74) −3.52 (−9.81;2.77) 0.27
 Other 18.3 (3.9) 12.7 (4.1) 0.068 −3.05 (−7.91;1.81)   
Urine tests       
 CRMM 92.2 (7.0) 73.6 (9.7) 0.018 −16.81 (−30.15;-3.47) −8.66 (−31.17;13.86) 0.45
 Other 59.4 (13.2) 55.6 (14.6) 0.512 −8.15 (−25.25;8.95)   
Total       
 CRMM 292.6 (23.3) 216.2 (30.1) 0.003 −70.41 (−115.40;-25.41) −24.09 (−97.32;49.15) 0.52
 Other 256.0 (25.4) 226.0 (30.6) 0.268 −46.32 (−103.20;10.56)   
  1. *Generalized Estimating Equations, Bonferroni’s corrected multiple comparisons
  2. **Analysis of covariance, adjusted for baseline