Table 2 Comparison between benign and malignant causes as regards demographic data
From: Validity of MDCT cholangiography in differentiating benign and malignant biliary obstruction
Demographic data | Malignant causes | Benign causes | Test | p value (Sig.) | ||
|---|---|---|---|---|---|---|
(N=39) | (N=30) | |||||
No. | % | No. | % | |||
Sex | ||||||
 Male | 25 | 64.1% | 14 | 46.7% | 2.956± | 0.086 (NS) |
 Female | 14 | 35.9% | 16 | 53.3% | ||
 Total | 39 | 100% | 30 | 100% | ||
Age (years) | ||||||
 0:<10 years | 0 | 0% | 0 | 0% | 5.349± | 0.148 (NS) |
 10:<20 years | 0 | 0% | 1 | 3.3% | ||
 20:<30 years | 1 | 2.6% | 6 | 20% | ||
 30:<40 years | 2 | 5.1% | 2 | 6.7% | ||
 40:<50 years | 3 | 7.7% | 4 | 13.3% | ||
 50:<60 years | 10 | 25.6% | 5 | 16.7% | ||
 60:<70 years | 17 | 43.6% | 8 | 26.7% | ||
 70:<80 years | 5 | 12.8% | 2 | 6.7% | ||
 80:<90 years | 1 | 2.6% | 2 | 6.7% | ||
 Total | 39 | 100% | 30 | 100% |  |  |
Mean±SD | 58.39±12.14 | 50.87±18.38 | 1.957 | 0.056 (NS) | ||
Median (range) | 60 (29–82) | 57 (13–80) | ||||