Table 2.
Adjusted odds ratios for late versus early-stage CRC presentation, by sex
| Characteristics | Males (N = 9,643) | Females (N = 7,898) | |
|---|---|---|---|
| OR (95%CI) | OR (95%CI) | ||
| Age group in yrs | |||
| 0–39 | 0.95 (0.78, 1.12) | 1.26 (1.09, 1.42) | |
| 40–49 | 1.04 (0.90, 1.19) | 1.22 (1.08, 1.37) | |
| 50–59 | 1.00 P = 0.01 | 1.00 P < 0.01 | |
| 60–69 | 0.95 (0.82, 1.08) | 1.10 (0.96, 1.24) | |
| 70–79 | 1.11 (0.98, 1.25) | 1.06 (0.90, 1.22) | |
| 80+ | 1.19 (1.00, 1.37) | 0.91 (0.68, 1.14) | |
| Marital status | |||
| Married | 1.00 P = 0.32 | 1.00 P = 0.01 | |
| Unmarried | 1.14 (0.94, 1.35) | 1.23 (1.10, 1.37) | |
| Region | |||
| Riyadh | 1.00 P < 0.0001 | 1.00 P < 0.0001 | |
| Eastern | 1.21 (1.08, 1.34) | 1.04 (0.90, 1.18) | |
| Makkah | 0.97 (0.84, 1.09) | 0.86 (0.73, 0.99) | |
| Madina | 0.88 (0.67, 1.10) | 0.71 (0.47, 0.96) | |
| Asir | 0.88 (0.69, 1.07) | 0.95 (0.75, 1.15) | |
| Jazan | 0.95 (0.60, 1.30) | 0.60 (0.20, 1.01) | |
| Najran | 1.35 (0.89, 1.81) | 0.86 (0.37, 1.34) | |
| Hail | 1.43 (1.11, 1.74) | 0.88 (0.51, 1.24) | |
| Qassim | 1.18 (0.96, 1.40) | 0.93 (0.70, 1.17) | |
| Baha | 0.78 (0.34, 1.22) | 0.60 (0.18, 1.02) | |
| Jouf | 2.08 (1.63, 2.52) | 1.21 (0.68, 1.73) | |
| Northern | 1.16 (0.58, 1.73) | 2.14 (1.60, 2.68) | |
| Tabuk | 1.25 (0.95, 1.55) | 1.11 (0.76, 1.47) | |
| Diagnosis date | |||
| 1997–2001 | 1.00 P < 0.01 | 1.00 P < 0.001 | |
| 2002–2006 | 1.24 (1.04, 1.44) | 1.33 (1.12, 1.55) | |
| 2007–2011 | 1.39 (1.20, 1.57) | 1.49 (1.29, 1.69) | |
| 2012–2017 | 1.24 (1.06, 1.42) | 1.48 (1.29, 1.67) | |
| Anatomical site | |||
| Colon | 1.00 P = 0.03 | 1.00 P = 0.05 | |
| Rectosigmoid | 1.18 (1.05, 1.30) | 1.18 (1.04, 1.31) | |
| Rectal | 0.99 (0.88, 1.10) | 1.04 (0.92, 1.16) | |
Note: CI: Confidence interval; N: Number; OR: Odds ratios adjusted for all factors in the table using complete stage data and multiple imputation of covariates. The p-values are derived from the overall likelihood ratio tests for association