Table 1.
Details of Obtained Patient Follow-Up and Patient Censoring at Each Postoperative Time Pointa
| Days | Years | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | 90 | 180 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Expected follow up, No. | 654 | 654 | 654 | 654 | 654 | 654 | 623 | 550 | 454 |
| Actual follow-up obtained, No. | 597 | 591 | 581 | 566 | 545 | 512 | 467 | 402 | 325 |
| Censored, No. | 57 | 63 | 73 | 88 | 109 | 142 | 156 | 148 | 129 |
| Percentage censored, % | 9 | 10 | 11 | 13 | 17 | 22 | 25 | 27 | 28 |
Expected follow-up represents the number of patients who had reached the given time point by the date of data analysis. Patients without a known date of death were considered censored for all time points beyond their last living follow-up.
No. = number.