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. 2018 Jan 26;8(1):e017833. doi: 10.1136/bmjopen-2017-017833

Table 1.

Demographic and clinical characteristics for UCSF patient population analysed (n=90 353) and MIMIC-III patient population analysed (n=21 604)

Demographic overview Characteristic UCSF MIMIC-III
Count (%) Count (%)
Gender Female 49 763 (55.08) 9499 (43.97)
Male 40 590 (44.92) 12 105 (56.03)
Age
UCSF: median 55, IQR 38–67
MIMIC-III: median 65, IQR 53–77
18–29 10 652 (11.79) 978 (4.53)
30–39 14 202 (15.72) 1114 (5.16)
40–49 11 888 (13.16) 2112 (9.78)
50–59 16 856 (18.66) 3880 (17.96)
60–69 19 056 (21.09) 4906 (22.71)
70+ 17 699 (19.59) 8614 (39.87)
Length of stay (days)
UCSF: median 4, IQR 2–6
MIMIC-III: median 2, IQR 2–4
0–2 28 258 (31.26) 11 054 (51.17)
3–5 35 128 (38.88) 7004 (32.42)
6–8 12 664 (14.02) 1673 (7.74)
9–11 4934 (5.46) 734 (3.40)
12+ 9369 (10.37) 1139 (5.27)
Death during hospital stay Yes 1279 (1.42) 1328 (6.15)
No 89 074 (98.58) 20 276 (93.85)
ICD-9 code Sepsis 1179 (1.30) 413 (1.91)
Severe Sepsis 349 (0.39) 609 (2.82)
Septic Shock 614 (0.68) 943 (4.36)

ICD, International Classification of Diseases; IQR, Interquartile Range; MIMIC, Multiparameter Intelligent Monitoring in Intensive Care; UCSF, University of California, San Francisco.