Retrospective Cohort Study
Copyright ©The Author(s) 2022.
World J Hepatol. Oct 27, 2022; 14(10): 1907-1919
Published online Oct 27, 2022. doi: 10.4254/wjh.v14.i10.1907
Table 1 Demographic data of children with acute bronchiolitis (n = 166)
Demographic data
No. of patients (%)
SexMale93 (56)
Female73 (44)
NationalityBahraini117 (70.5)
Other49 (29.5)
Gestational age (n = 140)Term111 (79.3)
Preterm29 (20.7)
Age at presentation (mo), median (IQR)3.4 (1.1-12.4)
Current age (mo), median (IQR)30.3 (28.31-39.8)
Length of stay (d), median (IQR)6.0 (3.0-11.0)
Table 2 Results of laboratory investigations in the 166 children who presented with acute bronchiolitis
Variable
Normal range
Mean
SD
Median
Minimum
Maximum
Tested patients (%)
White blood cell count (× 109/L)3.6-9.610.85.49.70.8027.8166 (100)
Hemoglobin level (g/dL)12.0-14.511.52.311.05.720.0166 (100)
Platelet count (× 109/L)150-400410179.7383.514.5971.0166 (100)
Total serum protein (g/L)64-8257.88.758.025.096.0161 (97)
Serum albumin (g/L)38-5441.510.741.017.0143.0161 (97)
Serum globulin (g/L)15-3018.010.717.06.0140.0161 (97)
Total bilirubin (µmol/L)5-2137.461.210.02.0482.0161 (97)
Direct bilirubin (µmol/L)0-512.014.411.01.0122.071 (42.8)
Indirect bilirubin (µmol/L)< 1856.046.027.01.0454.071 (42.8)
Alkaline phosphatase (U/L)150-420242.6141.7198.058.0841.0161 (97)
Alanine aminotransferase (U/L)< 4125.630.219.06.0247.0161 (97)
Gamma glutamyl transferase (U/L)< 1863.280.032.06.0526.0145 (87.3)
Prothrombin time10-1413.72.812.99.525.246 (27.7)
INR0.6-1.21.10.31.10.792.246 (27.7)
PTT (sec)28-4328.29.726.813.263.346 (27.7)
Fibrinogen (mg/dl)217-496285.9213.8233.80.01115.234 (20.48)
Thrombin time (sec)15.6 -18.417.94.117.34.113.033 (19.87)
Random blood sugar (mmol/L)3.6-8.95.71.45.24.010.053 (32)
Ammonia (µmol/L)11-3580.661.262.07.0230.011 (6.6)
Lactic acid (mmol/L)0.5-2.23.13.31.51.010.07 (4.2)
Lactate dehydrogenase (units/L)250-6501030.11281.9531.53.03509.06 (3.6)
Iron profile (µg/dL)11.6-31.39.45.78.04.019.09 (5.4)
CRP (mg/L)0.326.839.29.510.0297.0166 (100)
Table 3 Comparison of patients with and without liver function test abnormalities
VariableAlanine aminotransferase level (n = 161)
P value
High (> 41 U/L), 14 (8.7)
Normal (≤ 41 U/L), 147 (91.3)
SexFemale9 (64.3)61(41.5)0.157a
Male5 (35.7)86 (58.5)
NationalityBahraini9 (64.3)104 (70.7)0.760a
Non-Bahraini5 (35.7)43 (29.3)
Gestational age (n = 135)Term8 (57.1)98 (66.7)0.683
Preterm1 (7.1)28 (19.0)
Age at presentation (mo), mean ± SD10.1 ± 12.810.6 ± 17.30.535b
Age at the time of study (mo), mean ± SD37.5 ± 13.237.8 ± 17.50.394b
Length of hospital stay (d), mean ± SD18.0 ± 19.313.4 ± 41.10.025b
History of fever9 (7.9)105 (92.1)0.552a
White blood cell count (× 109/L), mean ± SD12.2 ± 7.010.6 ± 5.30.764b
Hemoglobin (g/dL), mean ± SD11.6 ± 2.111.5 ± 2.40.796b
Platelet count (× 109/L), mean ± SD335.4 ± 194.8417.6 ± 178.50.109b
Total serum protein (g/L), mean ± SD56.6 ± 7.357.9 ± 8.90.895b
Serum globulin (g/L), mean ± SD16.71 ± 3.6918.1 ± 11.20.801b
Serum albumin (g/L), mean ± SD39.86 ± 5.8941.63 ± 11.10.971b
Total bilirubin (µmol/L), mean ± SD29.4 ± 41.238.11 ± 62.810.794b
Direct bilirubin (µmol/L), (n = 71), mean ± SD24.1 ± 39.910.5 ± 5.70.722b
Indirect bilirubin (µmol/L), (n = 71), mean ± SD22.5 ± 17.962.0 ± 75.10.184b
Alkaline phosphatase (U/L), mean ± SD271.9 ± 217.2239.9 ± 133.10.935b
Gamma-glutamyl transferase (U/L), (n = 145), mean ± SD92.4 ± 88.260.6 ± 79.00.080b
Prothrombin time, (n = 46), mean ± SD13.2 ± 1.613.8 ± 3.00.809b
INR, (n = 46), mean ± SD1.1 ± 0.11.2 ± 0.30.831b
PTT, (n = 46), mean ± SD25.5 ± 4.928.8 ± 10.40.579b
Fibrinogen, (n = 34), mean ± SD326.4 ± 387.2277.3 ± 166.40.581b
Thrombin time, (n = 33), mean ± SD21.4 ± 7.316.9 ± 2.00.131b
Random blood glucose, (n = 52), mean ± SD6.0 ± 1.06.0 ± 1.00.905b
Positive blood culture (n = 127)2 (14.3)10 (6.8)0.278a
Positive urine culture (n = 88)3 (21.4)4 (2.7)0.030a
Positive cerebrospinal fluid culture (n = 23)0 (0.0)1.0 (0.7)1.000a
Positive RSV test (n = 159)6 (42.9)46 (31.3)0.356a
Antibiotic use (n = 157)11 (78.6)115 (78.2)1.000a
Complications2 (14.3)28 (19)1.000a
Admission to the intensive care unit1 (7.1)10 (6.8)1.000a
Mortality1 (7.1)8 (5.4)0.569a
Table 4 Comparison of patients with acute bronchiolitis who were tested for liver enzymes at the time of presentation and at the time of follow up
Variable
Normal range
n
At the time of the presentation
At the time of follow-up
P valuea
Total serum protein (g/L)64-826559.0 ± 11.062.0 ± 11.00.011
Serum albumin (g/L)38-546542.0 ± 9.042.5 ± 7.00.467
Serum globulin (g/L)15-306518.0 ± 5.020.0 ± 6.00.008
Total bilirubin (µmol/L)5-216437.0 ± 49.028.0 ± 91.00.376
Direct bilirubin (µmol/L)0-51618.0 ± 28.051.0 ± 157.00.322
Indirect bilirubin (µmol/L)< 181556.0 ± 46.035.0 ± 50.00.103
Alkaline phosphatase (U/L)150-42064240.0 ± 143.0242.0 ± 121.00.897
Alanine aminotransferase (U/L)< 416131.0 ± 43.042.0 ± 88.00.371
Gamma-glutamyl transferase (U/L)< 185061.0 ± 75.041.0 ± 91.00.234