<p>Table 1. Baseline characteristics of palmar hyperhidrosis without adjustment Sympathectom With (12,028) Without P y (2,869) Variables Gender (Male) 5,759(47.88%) 1,423(49.60%) 0.051 Age (years) <0.001* 18-44 11,412(94.88% 2,516(87.70%) ) 45-64 593(4.93%) 235(8.19%) Above 65 23(0.19%) 118(4.11%) Diabetes 15(0.12%) 39(1.36%) <0.001* mellitus Hypertension 26(0.22%) 68(2.37%) <0.001* Depression 21(0.17%) 12(0.42%) 0.016* Anxiety 17(0.14%) 15(0.52%) <0.001* Renal disease 4(0.03%) 9(0.31%) <0.001* Hyperlipidemi 5(0.04%) 10(0.35%) <0.001* a Congestive heart 1(0.01%) 9(0.31%) <0.001* failure Hyperthyroidis 7(0.06%) 11(0.38%) <0.001* m Septicemia 0 6(0.21%) <0.001* Pneumonia 3(0.02%) 16(0.56%) <0.001* Liver disease 39(0.02%) 10(0.35%) <0.001* Atrial 0 0 fibrillation Injury 84(0.7%) 66(2.3%) <0.001* Tumor 1(0.01%) 34(1.19%) <0.001* CCI_R 0.01±0.03 0.02±0.12 <0.001* Season 0.005* Spring (March- 3,701(30.77%) 842(29.35%) May) Summer (June-August) 4,249(35.33%) 971(33.84%) Autumn 2,001(16.64%) 554(19.31%) (September- November) Winter 2,077(17.27%) 502(17.50%) (December- February) Location <0.001* Northern 5,206(43.28%) 846(29.49%) Taiwan Middle Taiwan 3,704(30.79%) 1,333(46.46%) Southern 2,662(22.13%) 547(19.07%) Taiwan Eastern Taiwan 443(3.68%) 87(3.03%) Outlying 13(0.11%) 56(1.95%) islands Urbanization <0.001* level 1 (The highest) 3,591(29.86%) 730(25.44%) 2 5,617(46.70%) 1,649(57.48%) 3 1,825(15.17%) 156(5.44%) 4 (The lowest) 995(8.27%) 334(11.64%) Level of care <0.001* Medical center 3,234(26.89%) 895(31.20%) Regional 6,011(49.98%) 1,185(41.30%) hospital Local hospital 2,783(23.14%) 789(27.50%) Insured 0.039* premium (NT$) <18,000 11,688(97.17% 2,811(97.98%) ) 18,000-34,999 210(1.75%) 32(1.12%) 35,000+ 130(1.08%) 26(0.91%)</p><p>CCI_R: Charlson Comorbidity Index removed DM, myocardial infarction, stroke, heart, liver, renal disease, and tumor *P<0.05</p>