From: Risk of classic Kaposi sarcoma with exposures to plants and soils in Sicily
cKS cases | KSHV-negative controls | KSHV + controls* | |||||||
---|---|---|---|---|---|---|---|---|---|
Plant and soil variables† | N | OR* | 95% CI | P trend | N | OR* | 95% CI | P trend | N |
Taraxacum officinale | |||||||||
≥100 contacts | 9 | 1.50 | 0.43 - 5.23 | 0.04 | 80 | 1.71 | 0.61 - 4.80 | 0.06 | 7 |
<100 contacts | 39 | 3.59 | 1.60 - 8.03 | 217 | 2.03 | 1.01 - 4.10 | 16 | ||
Zero contacts | 74 | Ref | 455 | Ref | 65 | ||||
Datura stramonium | |||||||||
Any | 11 | 4.26 | 1.09 - 16.70 | 0.05 | 70 | 2.21 | 0.63 - 7.79 | 0.22 | 5 |
None | 111 | Ref | 682 | Ref | 83 | ||||
Lupinus albus | |||||||||
≥100 contacts | 16 | 3.58 | 1.01 - 12.65 | 0.07 | 91 | 2.85 | 1.00 - 8.08 | 0.19 | 8 |
<100 contacts | 72 | 1.27 | 0.52 - 3.07 | 440 | 1.26 | 0.63 - 2.53 | 55 | ||
Zero contacts | 34 | Ref | 221 | Ref | 25 | ||||
Acanthus mollis | |||||||||
≥100 contacts | 3 | 0.45 | 0.08 - 2.53 | 0.10 | 39 | 0.90 | 0.29 - 2.82 | 0.92 | 6 |
<100 contacts | 11 | 0.53 | 0.20 - 1.42 | 119 | 1.09 | 0.49 - 2.42 | 11 | ||
Zero contacts | 108 | Ref | 594 | Ref | 71 | ||||
Matricaria chamomilla compositae | |||||||||
≥100 contacts | 11 | 0.29 | 0.10 - 0.85 | 0.02 | 125 | 0.99 | 0.44 - 2.22 | 0.81 | 12 |
<100 contacts | 64 | 0.62 | 0.29 - 1.32 | 410 | 0.88 | 0.47 - 1.64 | 49 | ||
Zero contacts | 47 | Ref | 217 | Ref | 27 | ||||
Eutric regosol and/or lithosol | |||||||||
≥17 | 28 | 8.32 | 2.31 - 29.97 | 0.01 | 139 | 2.35 | 0.98 - 5.64 | 0.16 | 15 |
<17 | 15 | 0.84 | 0.30 - 2.40 | 159 | 1.09 | 0.49 - 2.43 | 20 | ||
None | 79 | Ref | 454 | Ref | 53 | ||||
Chromic and/or pellic vertisol | |||||||||
≥ 45 | 33 | 3.03 | 0.94 - 9.78 | 0.04 | 208 | 1.33 | 0.50 - 3.57 | 0.55 | 27 |
< 45 | 40 | 2.18 | 0.72 - 6.61 | 252 | 1.92 | 0.78 - 4.71 | 32 | ||
None | 49 | Ref | 292 | Ref | 29 | ||||
Rendzina | |||||||||
≥15 | 3 | 0.16 | 0.03 - 0.87 | 0.01 | 36 | 0.34 | 0.10 - 1.13 | 0.02 | 5 |
<15 | 6 | 0.41 | 0.09 - 1.81 | 43 | 0.45 | 0.15 - 1.38 | 8 | ||
None | 79 | Ref | 673 | Ref | 75 | ||||
Orthic luvisol | |||||||||
≥47 | 35 | 0.29 | 0.08 - 1.01 | 0.01 | 252 | 0.63 | 0.24 - 1.63 | 0.12 | 34 |
<47 | 36 | 0.58 | 0.21 - 1.60 | 246 | 1.22 | 0.28 - 2.81 | 30 | ||
None | 51 | Ref | 254 | Ref | 24 | ||||
Vertic cambisol | |||||||||
≥12 | 12 | 0.66 | 0.15 - 2.79 | 0.10 | 127 | 0.88 | 0.28 - 2.81 | 0.18 | 16 |
<12 | 31 | 0.43 | 0.15 - 1.22 | 158 | 0.23 | 0.10 - 0.54 | 29 | ||
None | 79 | Ref | 467 | Ref | 43 | ||||
Eutric cambisol | |||||||||
≥157 | 36 | 0.22 | 0.05 - 1.06 | 0.13 | 293 | 0.39 | 0.12 - 1.31 | 0.29 | 43 |
<157 | 54 | 0.79 | 0.24 - 0.17 | 300 | 0.59 | 0.59 - 1.61 | 33 | ||
None | 32 | Ref | 159 | Ref | 12 |