Table 3.
Events of side effects occurred within 3 months after colonoscopy according to gender and age group.
| Gender | Male | Female | Male | Female | P value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Age group | 50–59 | 60–69 | over 70 | P for trend | 50–59 | 60–69 | over 70 | P for trend | |||
| Bleeding | 107 (0.10) | 97 (0.11) | 67 (0.15) | 0.013 | 47 (0.04) | 54 (0.07) | 21 (0.05) | 0.156 | 271 (0.11) | 122 (0.05) | <0.001 |
| Perforation | 68 (0.06) | 86 (0.10) | 59 (0.13) | <0.001 | 30 (0.03) | 32 (0.04) | 19 (0.05) | 0.037 | 213 (0.09) | 81 (0.04) | <0.001 |
| Infection | 27 (0.02) | 13 (0.01) | 11 (0.02) | 0.621 | 13 (0.01) | 8 (0.01) | 4 (0.01) | 0.735 | 51 (0.02) | 25 (0.01) | 0.007 |
| Others | 5 (0.00) | 7 (0.01) | 3 (0.01) | 0.510 | 4 (0.00) | 2 (0.00) | 1 (0.00) | 0.674 | 15 (0.01) | 7 (0.00) | 0.121 |
Values are presented in units of number (%). Corresponding Korean Classification of Diseases (KCD) codes that had been input in the Korean National Health Insurance Service (KNHIS) database within 3 months period after colonoscopy for each category are as follows; bleeding: hemorrhage, and hematoma; perforation: injury, traumatic perforation, and accidental perforation; infection: infection following a procedure; others: air embolism, shock resulting from a procedure, and complications of surgical and medical care.