Name
sdnn_fn5
Label
Standard deviation of all NN intervals
Units
milliseconds
Type
numeric
MESA Exam Number vs Standard deviation of all NN intervals
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Exam 5 | 1,971 | 81.2 | ± 32.4 | 75.3 | 18.3 | 389.1 | 266 | 2,237 |
Participant Age at MESA Sleep Visit vs Standard deviation of all NN intervals
Exam 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 1,971 | 81.2 | ± 32.4 | 75.3 | 18.3 | 389.1 | 266 | 2,237 |
| 54.0 to 62.0 years | 507 | 81.7 | ± 25.8 | 78.5 | 29.2 | 243.0 | 53 | 560 |
| 62.0 to 69.0 years | 522 | 79.7 | ± 27.6 | 75.1 | 18.3 | 265.6 | 37 | 559 |
| 69.0 to 77.0 years | 490 | 79.3 | ± 31.7 | 73.6 | 18.6 | 313.6 | 69 | 559 |
| 77.0 to 95.0 years | 452 | 84.4 | ± 43.0 | 73.6 | 24.6 | 389.1 | 107 | 559 |
Gender vs Standard deviation of all NN intervals
Exam 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 1,971 | 81.2 | ± 32.4 | 75.3 | 18.3 | 389.1 | 266 | 2,237 |
| Female | 1,062 | 76.8 | ± 29.4 | 71.9 | 18.6 | 389.1 | 136 | 1,198 |
| Male | 909 | 86.4 | ± 34.9 | 79.4 | 18.3 | 313.6 | 130 | 1,039 |
Race/ethnicity vs Standard deviation of all NN intervals
Exam 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 1,971 | 81.2 | ± 32.4 | 75.3 | 18.3 | 389.1 | 266 | 2,237 |
| White, Caucasian | 712 | 81.3 | ± 34.9 | 75.2 | 18.6 | 389.1 | 118 | 830 |
| Chinese American | 237 | 76.1 | ± 28.2 | 71.7 | 24.6 | 243.0 | 28 | 265 |
| Black, African-American | 551 | 82.2 | ± 33.6 | 76.0 | 18.3 | 285.5 | 65 | 616 |
| Hispanic | 471 | 82.4 | ± 28.8 | 77.8 | 26.2 | 226.9 | 55 | 526 |