• Initial Cohort (Derived from ICUSTAYS)

There are 46476 unique patients in this cohort. There are 57786 unique hospital admissions associated with this cohort. There are 61532 unique ICUSTAYs in this cohort. 481 ICUSTAYs are missing CHARTEVENTS data. 458 HOSPITAL ADMISSIONS are missing CHARTEVENTS data. 48 Patients were removed for having no CHARTEVENTS data. 

• Merging Admission, Patient, and ICU Data

讯享网[1] 58976 24 [1] 61051 41 There are 46428 unique patients in this cohort. There are 57328 unique hospital admissions in this cohort. There are 61051 unique ICUSTAYs in this cohort. 

• Correct Ages and Remove patients younger than 18 years of age

7957 patients below the age of 18 removed. 8078 hospital admissions for patients below the age of 18 removed. 8187 ICU stays for patients below the age of 18 removed. There are 38471 unique patients in this cohort. There are 49250 unique hospital admissions in this cohort. There are 52864 unique ICUSTAYs in this cohort. 

• Diagnoses & Procedures
  
  讯享网
• Malignant Neoplasm of Head/Face/Neck

讯享网 [1] "Malignant neoplasm of upper lip, vermilion border" [2] "Malignant neoplasm of lower lip, vermilion border" [3] "Malignant neoplasm of lip, unspecified, vermilion border" [4] "Malignant neoplasm of base of tongue" [5] "Malignant neoplasm of anterior two-thirds of tongue, part unspecified" [6] "Malignant neoplasm of other sites of tongue" [7] "Malignant neoplasm of tongue, unspecified" [8] "Malignant neoplasm of parotid gland" [9] "Malignant neoplasm of salivary gland, unspecified" [10] "Malignant neoplasm of upper gum" [11] "Malignant neoplasm of lower gum" [12] "Malignant neoplasm of gum, unspecified" [13] "Malignant neoplasm of anterior portion of floor of mouth" [14] "Malignant neoplasm of other sites of floor of mouth" [15] "Malignant neoplasm of floor of mouth, part unspecified" [16] "Malignant neoplasm of cheek mucosa" [17] "Malignant neoplasm of hard palate" [18] "Malignant neoplasm of soft palate" [19] "Malignant neoplasm of palate, unspecified" [20] "Malignant neoplasm of other specified parts of mouth" [21] "Malignant neoplasm of tonsil" [22] "Malignant neoplasm of tonsillar fossa" [23] "Malignant neoplasm of vallecula epiglottica" [24] "Malignant neoplasm of anterior aspect of epiglottis" [25] "Malignant neoplasm of posterior wall of oropharynx" [26] "Malignant neoplasm of other specified sites of oropharynx" [27] "Malignant neoplasm of oropharynx, unspecified site" [28] "Malignant neoplasm of posterior wall of nasopharynx" [29] "Malignant neoplasm of other specified sites of nasopharynx" [30] "Malignant neoplasm of nasopharynx, unspecified site" [31] "Malignant neoplasm of pyriform sinus" [32] "Malignant neoplasm of other specified sites of hypopharynx" [33] "Malignant neoplasm of hypopharynx, unspecified site" [34] "Malignant neoplasm of pharynx, unspecified" [35] "Malignant neoplasm of other sites within the lip and oral cavity" 65 patients removed. 93 hospital admissions removed. 102 ICU stays removed. 

• Myasthinia gravis

3589: Myoneural disorders, unspecified 3590: Congenital hereditary muscular dystrophy 3591: Hereditary progressive muscular dystrophy 35801: Myasthenia gravis with (acute) exacerbation 40 patients removed. 77 hospital admissions removed. 86 ICU stays removed. 

• Burns

讯享网[1] "Burn of unspecified degree of face and head, unspecified site" [2] "Burn of unspecified degree of neck" [3] "Blisters, epidermal loss [second degree] of scalp [any part]" [4] "Blisters, epidermal loss [second degree] of forehead and cheek" [5] "Blisters, epidermal loss [second degree] of neck" [6] "Burn of unspecified degree of abdominal wall" [7] "Burn of unspecified degree of back [any part]" [8] "Burn of unspecified degree of other and multiple sites of trunk" [9] "Erythema [first degree] of back [any part]" [10] "Blisters, epidermal loss [second degree] of back [any part]" [11] "Full-thickness skin loss [third degree, not otherwise specified] of chest wall, excluding breast and nipple" [12] "Full-thickness skin loss [third degree,not otherwise specified] of back [any part]" [13] "Blisters, epidermal loss [second degree] of upper limb, unspecified site" [14] "Blisters, epidermal loss [second degree] of forearm" [15] "Blisters, epidermal loss [second degree] of upper arm" [16] "Blisters, epidermal loss [second degree] of shoulder" [17] "Full-thickness skin loss [third degree, not otherwise specified] of elbow" [18] "Full-thickness skin loss [third degree, not otherwise specified] of shoulder" [19] "Burn of unspecified degree of single digit (finger (nail) other than thumb" [20] "Blisters, epidermal loss [second degree] of hand, unspecified site" [21] "Blisters, epidermal loss [second degree] of single digit [finger (nail)] other than thumb" [22] "Blisters, epidermal loss [second degree] of two or more digits of hand, not including thumb" [23] "Blisters, epidermal loss [second degree] of palm" [24] "Blisters , epidermal loss [second degree] of back of hand" [25] "Burn of unspecified degree of lower leg" [26] "Erythema [first degree] of multiple sites of lower limb(s)" [27] "Blisters, epidermal loss [second degree] of foot" [28] "Blisters, epidermal loss [second degree] of lower leg" [29] "Full-thickness skin loss [third degree NOS] of foot" [30] "Full-thickness skin loss [third degree nos] of lower leg" [31] "Full-thickness skin loss [third degree NOS] of thigh [any part]" [32] "Blisters, epidermal loss [second degree] of multiple specified sites" [33] "Burn of larynx, trachea, and lung" [34] "Burn of esophagus" [35] "Burn of gastrointestinal tract" [36] "Burn [any degree] involving less than 10 percent of body surface with third degree burn, less than 10 percent or unspecified" [37] "Burn [any degree] involving 40-49 percent of body surface with third degree burn, less than 10 percent or unspecified" [38] "Burn [any degree] involving 50-59 percent of body surface with third degree burn, less than 10 percent or unspecified" [1] "Burn of unspecified degree of face and head, unspecified site" [2] "Burn of unspecified degree of neck" [3] "Blisters, epidermal loss [second degree] of scalp [any part]" [4] "Blisters, epidermal loss [second degree] of forehead and cheek" [5] "Blisters, epidermal loss [second degree] of neck" [6] "Burn of larynx, trachea, and lung" [7] "Burn of esophagus" [8] "Burn [any degree] involving 40-49 percent of body surface with third degree burn, less than 10 percent or unspecified" [9] "Burn [any degree] involving 50-59 percent of body surface with third degree burn, less than 10 percent or unspecified" 7 patients with burns removed. 10 hospital admissions associated with burn victims removed. 11 ICU stays associated with burn victims removed. 

• Organ Transplant Patients

6 patients removed as being organ donors. 7 hospital admissions associated with organ donors. 7 ICU stays associated with organ donors. 

• Check Ventilator Use

讯享网17062 patients removed for never being on a ventilator. 25124 hospital admissions removed for not being associated with ventilator use. 27881 ICU stays removed for not being associated with ventilator use. There are 21291 unique patients in this cohort. There are 23939 unique hospital admissions in this cohort. There are 24777 unique ICUSTAYs in this cohort. 

• Time and Ventilator Selection
  
• Check Cohort

17299 d7 patients removed. 19642 d7 hospital admissions removed. 20424 d7 ICU stays removed. 19513 d14 patients removed. 22066 d14 hospital admissions removed. 22891 d14 ICU stays removed. [1] 3992 [1] 4297 [1] 4353 [1] 1778 [1] 1873 [1] 1886 

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