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. 2002 Sep;95(9):445–447. doi: 10.1258/jrsm.95.9.445

Table 1.

Grading of autonomic function tests

Blood pressure tests
Heart-rate tests
Score BP response standing BP response handgrip HR Valsalva HR deep breathing HR variation during standing
Normal 0 ≤ 10 ≥ 16 > 1.21 ≥ 15 ≥ 1.04
Borderline 1 11-29 11-15 11-14 1.01-1.03
Abnormal 2 ≥ 30 ≤ 10 ≤ 1.21 ≤ 10 ≤ 1.00

BP=blood pressure; HR-heart-rate