Pupillary autonomic denervation with increasing duration of diabetes mellitus. Summary of cardiovascular autonomic function data
| Disease group | Valsalva ratio | 30:15 Ratio | Orthostatic hypotension | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No (% normal) | Mean | Range | No (% normal) | Mean | Range | No | % Present | ||||
| IDDM: | |||||||||||
| <5 years | 17 (100) | 1.72 | 1.24–2.35 | 17 (100) | 1.23 | 1.03–1.60 | 20 | 0 | |||
| <10 years | 9 (100) | 1.68 | 1.30–2.30 | 11 (72) | 1.24 | 1.00–1.70 | 11 | 0 | |||
| <15 years | 9 (100) | 1.80 | 1.50–2.20 | 10 (90) | 1.19 | 1.00–1.70 | 10 | 0 | |||
| <20 years | 7 (100) | 1.68 | 1.30–2.50 | 9 (100) | 1.17 | 1.06–1.49 | 11 | 0 | |||
| >20 years | 16 (81) | 1.48 | 1.00–2.20 | 19 (74) | 1.07 | 1.00–1.40 | 20 | 5 | |||
| NIDDM: | |||||||||||
| <5 years | 27 (96) | 1.54 | 1.00–2.00 | 31 (64) | 1.09 | 0.97–1.25 | 34 | 3 | |||
| <10 years | 12 (100) | 1.44 | 1.20–1.80 | 16 (63) | 1.06 | 0.95–1.78 | 16 | 19 | |||
| >10 years | 16 (81) | 1.29 | 1.00–1.80 | 16 (56) | 1.04 | 0.95–1.26 | 16 | 0 | |||