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Table 3 The clinical outcomes and complications among the 3 groups

From: Perioperative multiple low-dose Dexamethasones improves postoperative clinical outcomes after Total knee arthroplasty

Variables Group A (n = 50) Group B (n = 50) Group C (n = 50) P Value
Intensity of Nausea-post 24h* 2.96 ± 1.24§# 2.38 ± 1.07# 1.76 ± 1.24 0.001
Intensity of Nausea-post 48h* 1.66 ± 0.82# 1.38 ± 0.90 1.12 ± 0.82 0.008
Intensity of Nausea-post 72h* 1.18 ± 0.77# 0.94 ± 0.73 0.74 ± 0.85 0.023
PONV-post 24 h 22§# 11 8 0.004
PONV- post 48 h 14 # 8 5 0.058
PONV- post 72 h 10 # 4 2 0.026
Satisfaction level (n)     0.007
Very satisfied 18 # 23 # 35  
Somewhat satisfied 14 17 11  
Neither satisfied nor dissatisfied 11 6 4  
Somewhat dissatisfied 7 4 0  
Very dissatisfied 0 0 0  
ROM* 99.66 ± 2.60 # 100.70 ± 2.37 # 102.48 ± 1.99 0.001
LOS (days)* 5.02 ± 0.62 4.94 ± 0.84 4.82 ± 0.72 0.393
DVT (n) 0 0 0 1
PE (n) 0 0 0 1
Intramuscular thrombosis (n) 3 3 5 0.675
Superficial infection (n) 0 1 2 0.360
Gastrointestinal hemorrhage (n) 0 0 0 1
  1. Abbreviations: Post postoperative, h hours, n number, PONV postoperative nausea and vomiting, ROM range of motion, LOS length of stay, DVT deep vein thrombosis, PE Pulmonary embolism
  2. *was analyzed by the one-way ANOVA;
  3. ‡ was analyzed by the Pearson chi-square test or the Fisher exact test
  4. P value indicates a significant difference among the groups
  5. §Significantly different from the Group B. # Significantly different from the Group C