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Comparison of current study with earlier studies33
We used Pearson chi-squared test with Yates continuity correction except for "TST any abnormality" and "Either TST or QSART abnormality" which are based on Fisher exact test due to small numbers in some cells of the 2×2 table.
*Comparing current study with previous studies.
EMG: electromyogram, OH: orthostatic hypotension, QSART: quantitative sudomotor axon reflex test, TST: thermoregulatory sweat test.
