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Table 3 Comparison of the clinical characteristics in patients with or without mechanical ventilation (N = 6832)

From: One-year mortality among hospital survivors of cholinesterase inhibitor poisoning based on Taiwan National Health Insurance Research Database from 2003 to 2012

  With mechanical ventilation
(N = 2010)
Without mechanical ventilation
(N = 4822)
95% CI of difference between means or percentages P value
Age, mean ± SD, years old 58.37 ± 16.38 54.15 ± 16.31 3.376 to 5.076 < 0.0001
Female sex, N (%) 654 (32.5) 1384 (28.7) 1.38 to 6.25% 0.0016
Diabetes mellitus, N (%) 259 (12.9) 514 (10.7) 0.5 to 3.97% 0.0081
Hypertension, N (%) 205 (10.2) 704 (14.6) 2.68 to 6.05% < 0.0001
Coronary artery disease, N (%) 59 (2.9) 133 (2.8) −0.75 to 1.04% 0.6865
Cerebrovascular accident, N (%) 76 (3.8) 101 (2.1) 0.79 to 2.71% 0.0001
Chronic renal failure, N (%) 24 (1.2) 29 (0.6) 0.098 to 1.21% 0.0110
Chronic obstructive pulmonary disease, N (%) 29 (1.4) 82 (1.7) −0.41 to 0.92% 0.4426
Asthma, N (%) 13 (0.6) 32 (0.7) −0.39 to 0.5% 0.937
Liver failure, N (%) 13 (0.6) 17 (0.4) −0.16 to 0.67% 0.094
Atropine use, N (%) 1577 (78.5) 2076 (43.1) 33.06 to 37.67% < 0.0001
Pralidoxime use N (%) 1453 (72.3) 2026 (42.0) 27.84 to 32.7% < 0.0001
Hemodialysis, N (%) 83 (4.1) 41 (0.9) 2.32 to 4.19% < 0.0001
Pneumonia, N (%) 322 (16) 170 (3.5) 10.83 to 14.25% < 0.0001
Hospital mortality rate, N (%) 671 (33.4) 229 (4.7) 26.54 to 30.89% < 0.0001
Hospital days, mean ± SD 15.42 ± 16.33 6.62 ± 7.54 8.224 to 9.358 < 0.0001
  1. CI, Confidence interval; Data are presented as mean ± SD or N (%)