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Table 1 Characteristics of inpatients with asthma exacerbation and all-cause in-hospital mortality

From: Prognostic nomogram for inpatients with asthma exacerbation

  Total (%) Mortality (%) P-value
Age (years) <0.001
 18–39 4136 (21.0) 1 (0.0)
 40–69 8440 (42.9) 21 (0.3)
 70–79 3857 (19.6) 30 (0.8)
 ≥ 80 3251 (16.5) 66 (2.0)
Sex 0.038
 Male 7520 (38.2) 56 (0.7)
 Female 12,164 (61.8) 62 (0.5)
BMI (kg/m2) 0.538
 < 18.5 2135 (10.9) 18 (0.8)
 18.5–22.9 7743 (39.3) 47 (0.6)
 23.0–24.9 3316 (16.9) 19 (0.6)
 25.0–29.9 4459 (22.7) 25 (0.6)
 > 30.0 2031 (10.3) 9 (0.4)
Consciousness level <0.001
 Alert 18,539 (94.2) 83 (0.5)
 Dull 864 (4.4) 18 (2.1)
 Somnolence 148 (0.8) 8 (5.4)
 Coma 133 (0.7) 9 (6.8)
Dyspnea grade <0.001
 I 3476 (17.7) 8 (0.2)
 II 3392 (17.2) 10 (0.3)
 III 2971 (15.1) 9 (0.3)
 IV 4797 (24.4) 21 (0.4)
 V 5048 (25.6) 70 (1.4)
Ambulance service use 0.024
 No 14,323 (72.8) 75 (0.5)
 Yes 5361 (27.2) 43 (0.8)
Past intubation 0.137
 No 19,576 (99.5) 116 (0.6)
 Yes 108 (0.5) 2 (1.9)
Season of admission 0.563
 Spring 4225 (21.5) 25 (0.6)
 Summer 4280 (21.7) 26 (0.6)
 Autumn 5476 (27.8) 27 (0.5)
 Winter 5703 (29.0) 40 (0.7)
  1. Abbreviations: BMI Body mass index