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Table 2 Patient and visit characteristics during the snow and ice period and during the control period

From: Fracture prevalence during an unusual period of snow and ice in the Netherlands

Patients sustaining a fracture, visiting the emergency department (n = 333) Snow and ice period (n = 224) Control period (n = 109) P value
Gender (n,%)    
Male 96 (42.9) 57 (52.3) 0.11
Female 128 (57.1) 52 (47.7)  
Age (mean, SD*)† 47.2 (21.7) 43.3 (26.6) 0.15
Age categories (n,%)    
0–15 years 28 (12.5) 24 (22.0) 0.03
16–30 years 26 (11.6) 24 (22.0) 0.01
31–60 years 107 (47.8) 28 (25.7) <0.01
>60 years 63 (28.1) 33 (30.3) 0.68
Location (n,%)    
Level one trauma centre 135 (60.3) 65 (59.6) 0.91
Level three trauma centre 89 (39.7) 44 (40.4)  
Length of stay in minutes (mean, SD)‡ 146 (87) 134 (86) 0.25
Disposition (n,%)    
Admission 31 (13.8) 20 (18.3) 0.28
Outpatient clinic 193 (86.2) 89 (81.7)  
Location of accident (n,%)    
Outside 153 (68.3) 42 (38.5) <0.01
Inside 46 (20.5) 54 (49.5) <0.01
Unknown 25 (11.2) 13 (11.9) 0.86
  1. *SD = standard deviation.
  2. †Levene’s test for equality of variances <0.01, Mann–Whitney test was used to compare groups.
  3. ‡Levene’s test for equality of variances 0.71, Student’s t-test was used to compare groups.