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Table 4 Univariate analysis comparing patients readmitted within the 30-day time period with concordant and discordant diagnoses

From: The crucial factor of hospital readmissions: a retrospective cohort study of patients evaluated in the emergency department and admitted to the department of medicine of a general hospital in Italy

  Concordant diagnosis ( n= 316) Discordant diagnosis ( n= 340) p
Age (years) 76 ± 13 81 ± 8 <0.001
Sex (male/female) 140/176 132/208 NS
Deceased (n = 115) 52 (45.2%) 63 (54.8%) NS
Admission due to cardiovascular disease (n = 192) 105 (54.7%) 87 (45.3%) 0.032
Admission due to pulmonary disease (n = 195) 110 (56.4%) 85 (43.6%) 0.006
Admission due to neurological disease (n = 66) 24 (36.4%) 42 (63.6%) 0.043
Admission due to gastrointestinal disease (n = 110) 46 (41.8%) 64 (58.2%) NS
Admission due to neoplastic disease (n = 82) 49 (60.5%) 32 (39.5%) 0.018
Admission due to renal disease (n = 44) 12 (27.3%) 32 (72.7%) 0.004
Miscellaneous (n = 186) 72 (38.7%) 114 (61.3%) 0.002
Total time in the ED 2:05 ± 2:58 2:08 ± 1:26 0.015
Length of stay, previous admission (days) 7.9 ± 6.9 8.9 ± 6.8 0.010
Days prior to admission (days) 13.5 ± 8.3 13.2 ± 8.7 NS