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Table 1 Sample characteristics

From: Factors associated with the use of cognitive aids in operating room crises: a cross-sectional study of US hospitals and ambulatory surgical centers

  All respondents Less successful implementation More successful implementation  
  N = 368 N = 127 (34.5%) N = 241 (65.5%)  
Variables n % n % n % p value
Facility characteristics
 Number of ORs        0.0014*
  0–4 90 24.5 17 13.4 73 30.3  
  5–15 119 32.3 43 33.9 76 31.5  
  16–30 83 22.6 37 29.1 46 19.1  
  ≥ 30 74 20.1 30 23.6 44 18.3  
  Missing 2 0.5 0 0.0 2 0.8  
 Anesthesiology or surgical residents 175 47.6 66 52.0 109 45.2 0.2184
Respondent characteristics
 Primary professional role        0.179
  Anesthesiology 311 84.5 114 89.8 197 81.7  
  Surgery 13 3.5 2 1.6 11 4.6  
  OR staff 24 6.5 7 5.5 17 7.1  
  Other 20 0.1 4 0.0 16 0.1  
 Employer        0.9687
  Facility or university 118 32.1 44 34.7 74 30.7  
  Physician owned practice 93 25.3 34 26.8 59 24.5  
  Corporate practice 51 13.9 20 15.8 31 12.9  
  Independent solo practice 27 7.3 9 7.1 18 7.5  
  Missing 79 21.5 20 15.8 59 24.5  
 Years since professional training        0.4534
  Less than 5 years 31 8.4 12 9.5 19 7.9  
  5–10 years 40 10.9 15 11.8 25 10.4  
  11–20 years 80 21.7 29 22.8 51 21.2  
  ≥ 20 years 198 53.8 66 52.0 132 54.8  
  Missing 19 5.2 5 3.9 14 5.8  
  1. *Significant at alpha = 0.05
  2. †Fisher’s exact test
  3. ‡Mantel-Haenszel (MH) chi-square test