|   | 
        Therapeutic
          SDC Group (n =88) | 
        Subtherapeutic
          SDC Group (n=103) | 
        Toxic
          SDC Group (n=26) | 
      
      
        | Total    Group | 
        Total    Group | 
        Total    Group | 
      
      
        | Inpatient
          (n= 77) | 
        Outpatient
          (n=11)  | 
        Inpatient
          (n=84)  | 
        Outpatient
          (n=19)  | 
        Inpatient
          (n=23)  | 
        Outpatient
          (n=3)  | 
      
      
        | SDL (ng/mL)
           Mean ± SD  | 
        1.19 ± 0.26 | 
        0.67 ± 0.17 | 
        2.75 ± 1.2* | 
      
      
        | 1.18 ± 0.59 | 
        126.6 ± 0.56 | 
        0.66 ± 0.4 | 
        0.52 ± 0.34 | 
        0.06 ± 0.8 | 
        1.06 ± 0.8 | 
      
      
        | All Groups (1.02 ± 0.8) | 
      
      
        | Blood urea    nitrogen (mg/dl) 
          Mean ± SD  | 
         62.6 ± 36.2 | 
        57.77 ± 41.3 | 
        171.5 ± 91.3* | 
      
      
        | 67.2 ± 41.3 | 
        30.9 ± 11.4 | 
        61.3 ± 49.2 | 
        39.4 ± 35.1 | 
        212.9 ± 191.2 | 
        23.83    12.4 | 
      
      
        | Serum    creatinine (mg/dl)
          Mean ± SD  | 
        1.58 ± 1.16 | 
        1.61 ± 1.51 | 
         1.97 ± 1.86 | 
      
      
        | 1.6 ± 1.1 | 
        1.2 ± 0.7 | 
        1.7 ± 1.6 | 
        0.8 ± 0.43 | 
        2.3 ± 1.9 | 
         0.8 ± 0.4 | 
      
      
        | Serum potassium    (mEq/L)
          Mean ± SD  | 
        4.2 ± 1.05 | 
        5.3 ± 1.3 | 
        3.9 ± 1.1** | 
      
      
        | 4.3 ± 0.8 | 
        4.2 ± 0.6 | 
        5.7 ± 1.4 | 
        2.9 ± 1.8 | 
        4.1 ± 0.8 | 
        3.4 ± 1.7 | 
      
      
        | Serum ALT    (IU/L)
          Mean ± SD  | 
         57.8 ± 19.2 | 
        52.81 ± 49.8 | 
        93.7 ± 32.5* | 
      
      
        | 61.7 ± 16.23 | 
        32.6 ± 7.4 | 
        58.95 ± 8.11 | 
        45.45 ± 12.11 | 
        108.7 ± 36.1 | 
        39.8 ± 20.3 | 
      
      
        | Serum AST    (IU/L)
          Mean ± SD  | 
        62.08 ± 25.9 | 
        42.9 ± 23.7 | 
        130.2 ± 45.9* | 
      
      
        | 66.30 ± 19.4 | 
        30.6 ± 9.3 | 
        47.14 ± 27.3 | 
        19.4 ± 14.2 | 
        156.4 ± 41.1 | 
        35.3 ± 27.1 | 
      
      
        | * P < 0.05 / ** P ≤ 0.01 | 
      
      
        | Number () of    studied cases laboratory findings according to different digoxin    concentrations (n= 217)  | 
      
      
        | Blood urea    nitrogen (mg/dl) (10-20 mg/dl) | 
      
      
        | No () within normal    range
          No () above normal range
          No () > triple the normal range | 
        50 (56.8)
          32 (36.4)
          6 (6.8) | 
        77 (74.8)
          21 (20.4)
          5 (4.8) | 
        16 (61)
          6 (23.7)
          4 (15.3)  | 
      
      
        | Serum    creatinine (mg/dl) (0 .5 -1.1 mg/dl)  | 
      
      
        | No () within normal    range
          No () above normal range
          No () > triple the normal range | 
        50 (56.8)
          32 (36.4)
          6 (6.8) | 
        77 (74.8)
          21 (20.4)
          5 (4.8) | 
        16 (61)
          6 (23.7)
          4 (15.3)  | 
      
      
        | Serum potassium    (mEq/L) (3.5-5.5 mEq/l) | 
      
      
        | No () Hypokalamia (<3.5 mEq/L)
          No ()within normal    range
          No()Hyperkalaemia(>5.5 mEq/L) | 
        17 (19.3)
          69 (78.4)
          2 (2.3) | 
        13 (14.7)
          85 (82.5)
          5 (5.6) | 
        5 (19.2)
          19 (73.2)
          2 (7.6)  | 
      
      
        | Serum ALT    (IU/L) (5-40 IU/L) | 
      
      
        | No () within normal    range
          No () above normal range
          No () > triple the normal range | 
        72 (81.9)
          11 (12.5)
          5 (5.6) | 
        67 (65)
          15 (13.5)
          21 (20.5) | 
        16 (61.5)
          6 (23.5)
          4 (15)  | 
      
      
        | Serum AST    (IU/L) (5-50 IU/L) | 
      
      
        | No () within normal    range
          No () above normal range
          No () > triple the normal range | 
        65 (73.8)
          14 (16)
          9 (10.2) | 
        67 (66)
          16 (15.5)
          19 (18.5) | 
        20 (77)
          3 (11.5)
          3 (11.5)  |