Table 3. Global burden of genic rare CNVs between colorectal cases and controls.
Category | Controls (N = 1641) | CRC (N = 694) | Fold Change# | P value* | Colon (N = 336) | Fold Change# | P value* | Rectal (N = 340) | Fold Change# | P value* |
---|---|---|---|---|---|---|---|---|---|---|
Total number of genic CNVs | ||||||||||
Total | 1271 | 887 | 451 | 415 | ||||||
Deletion | 576 | 449 | 231 | 207 | ||||||
Duplication | 695 | 438 | 220 | 208 | ||||||
Number of genic CNVs per sample | ||||||||||
Total | 0.77 | 1.28 | 1.65 | <1.0 × 10−6 | 1.34 | 1.73 | <1.0 × 10−6 | 1.22 | 1.58 | <1.0 × 10−6 |
Deletion | 0.35 | 0.65 | 1.84 | <1.0 × 10−6 | 0.69 | 1.96 | <1.0 × 10−6 | 0.61 | 1.73 | <1.0 × 10−6 |
Duplication | 0.42 | 0.63 | 1.49 | <1.0 × 10−6 | 0.65 | 1.55 | 0.00002 | 0.61 | 1.44 | 0.00002 |
Proportion of samples with one or more genic CNVs | ||||||||||
Total | 0.52 | 0.63 | 1.20 | <1.0 × 10−6 | 0.63 | 1.21 | 0.0002 | 0.63 | 1.20 | 0.0003 |
Deletion | 0.28 | 0.38 | 1.35 | <1.0 × 10−6 | 0.40 | 1.45 | 8.0 × 10−6 | 0.35 | 1.26 | 0.005 |
Duplication | 0.33 | 0.39 | 1.15 | 0.01 | 0.36 | 1.08 | 0.20 | 0.41 | 1.23 | 0.004 |
Total length of genic CNVs spanned per sample (in kb) | ||||||||||
Total | 202.30 | 206.60 | 1.02 | 0.40 | 178.30 | 0.88 | 0.83 | 236.70 | 1.17 | 0.11 |
Deletion | 124.00 | 119.50 | 0.96 | 0.48 | 121.80 | 0.98 | 0.38 | 114.00 | 0.92 | 0.51 |
Duplication | 213.40 | 220.50 | 1.03 | 0.36 | 175.50 | 0.82 | 0.93 | 263.20 | 1.23 | 0.05 |
Empirical p-values between cases and controls were calculated using 1000,000 permutations by PLINK, and all the P values were shown in bold if reached statistical significance (P < 0.05).
Fold change of CRC/colon/rectal cases vs controls.