Table 4.
HPV type-specific prevalence among cervical cancer cases in native Italian and abroad born women.
| Born in Italy | Born abroad | Observed/expected | p-Value* | |
|---|---|---|---|---|
| N (%)a | ||||
| HPV-neg | 22 (4.2) | 2 (41.7) | ||
| HPV-pos | 504 (95.8) | 46 (95.8) | ||
| GROUP 1 | ||||
| 16 | 340 (67.5) | 33 (71.7) | 1.06 | 0.636 |
| 18 | 57 (11.3) | 3 (6.5) | 0.57 | 0.318 |
| 31 | 43 (8.5) | 6 (13.0) | 1.52 | 0.314 |
| 33 | 11 (2.2) | 3 (6.5) | 2.97 | 0.076 |
| 35 | 11 (2.2) | 1 (2.2) | 0.99 | 0.992 |
| 39 | 4 (0.8) | 1 (2.2) | 2.72 | 0.349 |
| 45 | 36 (7.1) | 3 (6.5) | 0.91 | 0.867 |
| 51 | 7 (1.4) | 0 | 0.420 | |
| 52 | 9 (1.2) | 0 | 0.360 | |
| 56 | 5 (1.0) | 1 (6.5) | 2.18 | 0.464 |
| 58 | 18 (3.6) | 1 (6.5) | 0.60 | 0.615 |
| 59 | 5 (1.0) | 1 (6.5) | 2.18 | 0.464 |
| GROUP 2–3 | ||||
| 6 | 2 (0.4) | 0 | 0.667 | |
| 42 | 2 (0.4) | 0 | 0.667 | |
| 53 | 4 (0.8) | 0 | 0.543 | |
| 66 | 5 (1.0) | 0 | 0.496 | |
| 67 | 1 (0.2) | 0 | 0.762 | |
| 68 | 3 (0.6) | 0 | 0.600 | |
| 70 | 4 (0.8) | 0 | 0.543 | |
| 73 | 9 (1.8) | 0 | 0.360 | |
| 83 | 1 (0.2) | 0 | 0.762 | |
aPercentages of individual HPV genotypes are calculated over the total number of HPV-positive women in each geographical region. The sum of the different HPV types exceeds the total number of HR HPV-positive due to multiple infections.
*Probability of observed/expected ratio = 1, χ2.