| Time 
          (in minutes) | 
        Group 1
          Mean ± SD | 
        Group 2
          Mean ± SD | 
        Group 3
          Mean ± SD | 
        p-value | 
        p-value
          (1 versus 2) | 
        p-value
          (1 versus 3) | 
        p-value
          (2 versus 3) | 
       
      
        | 5 | 
         
          98.90 ± 0.89 | 
         100 ± 0.22 | 
        99.20 ± 0.82 | 
        <0.001    (HS) | 
        <0.001(HS) | 
        0.12(NS) | 
        <0.001(HS) | 
       
      
        | 10 | 
        98.70 ± 0.88 | 
        99.70 ± 0.51 | 
        98.90 ± 0.84 | 
        <0.001(HS) | 
        <0.001(HS) | 
        0.29(NS) | 
        <0.001(HS) | 
       
      
        | 20 | 
        98.80 ± 0.81 | 
        99.80 ± 0.41 | 
        98.93 ± 0.79 | 
        <0.001(HS) | 
        <0.001(HS) | 
        0.46(NS) | 
        <0.001(HS) | 
       
      
        | 30 | 
        98.60 ± 0.70 | 
        99.80 ± 0.48 | 
         98.98 ± 0.62 | 
        <0.001(HS) | 
        <0.001(HS) | 
        0.01(S) | 
        <0.001(HS) | 
       
     
    The mean difference is significant at p-value<0.05 and highly significant at p-value<0.001.
     
    S: Significant; HS: Highly Significant; NS: Not Significant. |