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. 2023 Feb 28;21(1):179–187. doi: 10.9758/cpn.2023.21.1.179

Table 1.

Demographics and clinical patient characteristics (n = 3,604)

Variable Total Group 1
(n = 678)
Group 2
(n = 1,708)
Group 3
(n = 934)
Group 4
(n = 284)
Age (yr) 69.1 ± 15.9 58.6 ± 16.3 70.9 ± 15.3 71.6 ± 14.1 75.7 ± 12.8
Male sex 2,142 (59.4) 460 (67.9) 987 (57.8) 537 (57.5) 158 (55.6)
Admission for medical problem 1,179 (32.7) 247 (36.4) 585 (34.3) 297 (31.8) 50 (17.6)
Length of hospital stay (d) 21 (1−1,848)/ 41.3 ± 70.2 16 (2−571)/ 31.9 ± 51.9 21 (1−1,848)/ 41.0 ± 77.9 24 (2−738)/ 45.8 ± 70.4 32 (3−479)/ 50.8 ± 54.8
Length of ICU stay (d) 4 (1−343)
/8.4 ± 13.6
3 (1−141)
/5.3 ± 9.0
4 (1−157)
/7.0 ± 10.8
5 (1−343)
/10.7 ± 17.4
10 (1−154)
/16.8 ± 18.3
Mortality at the end of ICU stay 461 (12.8) 38 (5.6) 207 (12.1) 152 (16.3) 64 (22.5)
Emergent admission 2,299 (63.8) 430 (63.4) 1,043 (61.1) 594 (63.6) 232 (81.7)
Surgery prior to ICU admission 2,181 (60.5) 350 (51.6) 1,001 (58.6) 603 (64.6) 227 (79.9)
Emergent surgery prior to ICU admission 1,018 (28.2) 115 (17.0) 413 (24.2) 314 (33.6) 176 (62.0)

Values are presented as mean ± standard deviation (SD), number (%), or median (range).

Group 1: APACHE 1−10, Group 2: APACHE 11−20, Group 3: APACHE 21−30, Group 4: APACHE > 30.

ICU, intensive care unit; APACHE II, Acute Physiology and Chronic Health Evaluation-II.