Table 1.
Variable | Group 1 (N = 115) | Group 2 (N = 109) | Group 3 (N = 114) | P-value |
---|---|---|---|---|
Age | ||||
Mean (SD) | 26.61 (12.27) | 24.71 (12.86) | 26.36 (12.91) | 0.4791 |
Median (IQR) | 23.00 (16.00) | 20.00 (18.00) | 22.00 (15.00) | |
Range | 13.00–73.00 | 13.00–69.00 | 13.00–70.00 | |
Gender | ||||
Male | 28 (24.3%) | 50 (45.9%) | 83 (72.8%) | Refer Table 2 |
Female | 87 (75.7%) | 59 (54.1%) | 31 (27.2%) | |
Race | ||||
Malay | 98 (85.2%) | 99 (90.8%) | 89 (78.1%) | Refer Table 3 |
Non-Malay | 17 (14.8%) | 10 (9.2%) | 25 (21.9%) | |
Duration of admission | ||||
Mean (SD) | 3.50 (0.86) | 3.58 (1.14) | 5.04 (2.37) | |
Median (IQR)* | 3.00 (1.00) | 3.00 (1.00) | 5.00 (2.00) | < 0.0013 |
Range | 2.00–7.00 | 2.00–8.00 | 2.00–21.00 | |
TWBC (10×9/L) | ||||
Mean (SD) | 9.73 (3.34) | 12.98 (4.33) | 16.20 (4.67) | < 0.0011 |
Median (IQR) | 9.00 (3.00) | 12.60 (6.30) | 16.30 (5.40) | |
Range | 4.10–23.20 | 4.90–23.90 | 4.50–27.50 | |
Lymphocytes (10×3/uL) | ||||
Mean (SD) | 2.55 (1.13) | 2.04 (0.91) | 1.64 (0.84) | < 0.0011 |
Median (IQR) | 2.40 (1.10) | 1.90 (1.30) | 1.45 (0.82) | |
Range | 0.60–8.70 | 0.50–5.60 | 0.40–4.50 | |
Neutrophils | ||||
Mean (SD) | 6.47 (2.76) | 10.34 (4.48) | 13.64 (4.74) | < 0.0011 |
Median (IQR) | 5.80 (3.10) | 9.80 (6.90) | 13.30 (5.83) | |
Range | 1.50–17.50 | 2.30–21.50 | 3.70–25.30 | |
Platelets (10×9/L) | ||||
Mean (SD) | 308.14 (105.08) | 306.98 (78.81) | 282.39 (70.29) | 0.0411 |
Median (IQR) | 291.00 (121.00) | 303.00 (88.00) | 284.50 (99.00) | |
Range | 101.00–918.00 | 122.00–534.00 | 102.00–465.00 |
Notes: SD = Standard deviation; IQR = Interquartile range
Group 1 (G1): normal appendix; Group 2 (G2): acute appendicitis; Group 3 (G3): perforated appendicitis
One way ANOVA test was applied
Pearson’s chi-squared test were applied
Kruskal-Wallis test was applied