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Population demographics: population mean age and standard deviation (SD).
| PATIENTS | MEAN AGE (±SD) | MALE MEAN AGE (±SD) | FEMALE MEAN AGE (±SD) |
|---|---|---|---|
| FIRST WAVE | 68.8 ± 17.5 | 62 ± 15.1 | 76 ± 17.4 |
| SECOND WAVE | 69.7 ± 15.0 | 67.4 ± 14.9 | 73.7 ± 14.7 |
| THIRD WAVE | 63 ± 14.6 | 61.3 ± 13.8 | 66.8 ± 16.1 |
| FOURTH WAVE | 63.8 ± 19.5 | 62.7 ± 21.2 | 65.9 ± 20.7 |
