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. 2021 Mar 31;151:e68–e77. doi: 10.1016/j.wneu.2021.03.122

Table 3.

Results of Demographic Analysis and Length of Stay From One Institution

Variable Year
P Value
2019 (N = 270) 2020 (N = 200)
Demographics
 Age (years), average (standard deviation) 56.0 (15.7) 56.8 (15.1) 0.5832
Sex, n (%)
 Male 109 (40.4) 93 (46.5) 0.1886
 Female 161 (59.6) 107 (53.5) 0.1886
Race, n (%)
 White 157 (58.1) 106 (53.0) 0.3014
 Black 98 (36.3) 79 (39.5) 0.5012
 Other/unspecified 15 (5.6) 15 (7.5) 0.4472
Number of comorbidities, n (%)
 None 17 (6.3) 17 (8.5) 0.3735
 ≥3 137 (50.7) 116 (58.0) 0.1345
 ≥5 50 (18.5) 37 (18.5) 1.0000
Length of stay
 Median (interquartile range) 6 (2–12) 5.5 (2–11) 0.5317
 Patients with length of hospital stay >30 days, n (%) 9 (3.3) 14 (7.0) 0.0839

Normally distributed data compared with t tests, proportions compared with Fisher exact tests, and length of stay data compared with Mann-Whitney U test; significance determined with α = 0.05.