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Table 1 Matched baseline hospital and patient characteristics for balanced and saline cohorts

From: Impact of intravenous fluid composition on outcomes in patients with systemic inflammatory response syndrome

Patient demographics Saline Balanced P value (two-sided)
n = 1558 n = 1558
Age groupa    0.43
 18–35 16.88 (263) 17.97 (280)
 36–50 19.06 (297) 19.45 (303)
 51–64 25.8 (402) 27.15 (423)
 65–80 27.54 (429) 26.44 (412)
 80+ 10.72 (167) 8.99 (140)
Gender    0.13
 Male 44.09 (687) 41.46 (646)
 Female 55.91 (871) 58.54 (912)
Race    0.56
 Black 11.62 (181) 10.46 (163)
 Other 14.44 (225) 14.25 (222)
 White 73.94 (1152) 75.29 (1173)
Bed size    0.06
 0–199 9.88 (154) 9.18 (143)
 200–399 39.99 (623) 44.22 (689)
 400+ 50.13 (781) 46.6 (726)
Admission source    <0.001
 Emergency 1.03 (16) 0.71 (11)
 Healthcare facility 5.07 (79) 7.83 (122)
 Non-healthcare facility 71.69 (1117) 74.01 (1153)
 Other/Unknown 22.21 (346) 17.46 (272)
Admission type    0.09
 Elective 52.37 (816) 56.1 (874)
 Emergency 47.37 (738) 43.77 (682)
 Other/Unknown 0.26 (4) 0.13 (2)
Payor    0.03
 Commercial 13.22 (206) 16.56 (258)
 Medicare/Medicaid 37.48 (584) 37.03 (577)
 Other 49.29 (768) 46.41 (723)
Urban    0.09
 Yes 98.27 (1531) 98.97 (1542)
 No 1.73 (27) 1.03 (16)
Teaching    0.09
 Yes 85.43 (1331) 87.48 (1363)
 No 14.57 (227) 12.52 (195)
Census region    0.002
 Northeast 65.53 (1021) 59.82 (932)
 South 10.85 (169) 11.3 (176)
 West 23.62 (368) 28.88 (450)
Patients with surgical proceduresb 15.53 (242) 14.96 (233) 0.65
 Congestive heart failure 3.85 (60) 2.37 (37) 0.02
 Valvular heart disease 1.93 (30) 1.22 (19) 0.11
 Pulmonary circulation disease 0.26 (4) 0.26 (4) 1.00
 Peripheral vascular disease 2.82 (44) 2.57 (40) 0.67
 Paralysis 0.9 (14) 0.77 (12) 0.69
 Other neurological disorders 3.27 (51) 3.15 (49) 0.84
 Chronic pulmonary disease 7.96 (124) 9.11 (142) 0.25
 Diabetes w/o chronic complications 7 (109) 7.96 (124) 0.31
 Diabetes w/chronic complications 1.86 (29) 1.28 (20) 0.20
 Hypothyroidism 3.15 (49) 3.98 (62) 0.21
 Renal failure 2.95 (46) 2.25 (35) 0.22
 Liver disease 0.96 (15) 1.48 (23) 0.19
 Acquired immune deficiency syndrome 0.19 (3) 0.19 (3) 1.00
 Lymphoma 1.03 (16) 0.39 (6) 0.03
 Metastatic cancer 0.64 (10) 0.77 (12) 0.67
 Solid tumor w/o metastasis 1.73 (27) 1.8 (28) 0.89
 Rheumatoid arthritis/collagen vas 2.7 (42) 1.73 (27) 0.07
 Coagulopathy 1.09 (17) 1.35 (21) 0.51
 Obesity 7.12 (111) 8.66 (135) 0.11
 Weight loss 1.93 (30) 1.41 (22) 0.26
 Chronic blood loss anemia 1.28 (20) 1.35 (21) 0.88
 Deficiency anemias 4.24 (66) 5.01 (78) 0.31
 Alcohol abuse 1.93 (30) 2.12 (33) 0.70
 Drug abuse 1.6 (25) 1.35 (21) 0.55
 Psychoses 1.22 (19) 1.48 (23) 0.53
 Depression 7.64 (119) 7.25 (113) 0.68
 Hypertension 17.2 (268) 22.08 (344) <0.001
  1. aAge used as a continuous variable in the propensity score model
  2. bSurgical procedure not used within the propensity score model