Normal thyroid gland | Cigarette smoker | χ2 | Shisha smoker | χ2 | ||||||
No | Yes | No | Yes | |||||||
N | N% | n | N% | P-value | n | N% | n | N% | P-value | |
No | 67 | 47.9% | 4 | 15.4% | 9.446 | 70 | 47.3% | 1 | 5.6% | 11.424 |
Yes | 73 | 52.1% | 22 | 84.6% | P = 0.002 | 78 | 52.7% | 17 | 94.4% | P = 0.001 |