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Table 1 Comparison of the demographic characteristics, comorbidities, and monthly income between patients with and without methanol poisoning

From: Association between acute methanol poisoning and subsequent mortality: a nationwide study in Taiwan

Variables With methanol poisoning
n = 621
Without methanol poisoning
n = 6210
p-value
Age (years) 44.39 ± 14.02 44.39 ± 14.01 > 0.999
Age subgroup (years)    > 0.999
  < 20 9 (1.45) 90 (1.45)  
 20–34 151 (24.32) 1510 (24.32)  
 35–49 259 (41.71) 2590 (41.71)  
 50–64 149 (23.99) 1490 (23.99)  
  ≥ 65 53 (8.53) 530 (8.53)  
Sex    > 0.999
 Female 110 (17.71) 1100 (17.71)  
 Male 511 (82.29) 5110 (82.29)  
Comorbidities    
 Hypertension 129 (20.77) 942 (15.17) < 0.001
 Diabetes 101 (16.26) 439 (7.07) < 0.001
 Hyperlipidemia 97 (15.62) 548 (8.82) < 0.001
 Stroke 13 (2.09) 75 (1.21) 0.062
 CAD 56 (9.02) 376 (6.05) 0.004
 COPD 23 (3.70) 99 (1.59) < 0.001
 Renal disease 102 (16.43) 557 (8.97) < 0.001
 Liver disease 270 (43.48) 917 (14.77) < 0.001
 Malignancy 21 (3.38) 179 (2.88) 0.482
 Drug abuse 126 (20.29) 80 (1.29) < 0.001
 Mental disorder 210 (33.82) 714 (11.50) < 0.001
Monthly income ($TWD)    < 0.001
 < 20,000 510 (82.13) 3990 (64.25)  
 20,001–39,999 81 (13.04) 1454 (23.41)  
 ≥ 40,000 30 (4.83) 766 (12.33)  
  1. CAD coronary artery disease, COPD chronic obstructive pulmonary disease, TWD Taiwan Dollar