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. Author manuscript; available in PMC: 2016 Jan 4.
Published in final edited form as: Clin Infect Dis. 2015 Feb 19;60(11):1650–1658. doi: 10.1093/cid/civ115

Table 3.

Initial Laboratory Findings for Rocky Mountain Spotted Fever (RMSF) Cases and Non-RMSF Illnesses From 2 Tribal Communities in Arizona

Laboratory Test Mean Laboratory
Values for Casesa 		No. Mean Laboratory Values
for Patients With
Non-RMSF Illnessa 		No. P Value
WBC count, ×103 cells/µL 11H 183 11H 144 .587
WBC differential
Neutrophils, %* 67 181 56 143 .000
  Bands, % 10 83 6 43 .975
  Lymphocytes, %** 20L 179 32 139 .000
  Monocytes, %** 7 179 8 140 .003
  Eosinophils, % 1.2 179 1.4 139 .45
Hemoglobin, g/dL* 13.9 140 12.8 134 .000
Hematocrit, %* 40.4 141 38.4 134 .002
Platelet count, ×103 platelets/µL** 269 141 350 144 .000
Sodium, mEq/L** 136L 173 138 135 .043
Potassium, mEq/L** 3.9 134 4.2 126 .001
Chloride, mEq/L** 101 128 103 125 .030
Bicarbonate, mEq/L 22 135 22 125 .371
Creatinine, mEq/L 1.0 134 0.7 126 .084
BUN, mEq/L 14 134 11 125 .174
Glucose, mEq/L 114H 147 108H 120 .786
Adult SGPT/ALT, IU/L* 57.1H 70 29.7 27 .017
Child SGPT/ALT, IU/L 38.5H 92 27.1 90 .590
Adult SGOT/AST, IU/L* 140.1H 70 58.0H 27 .052
Child SGOT/AST, IU/L 91.0H 93 56.4H 91 .441
Adult ALP, IU/L 130.2H 69 132.2H 26 .862
Child ALP, IU/L 223.9 92 225.6 90 .876
Adult GGT 147.1H 13 223.0H 11 .415
Child GGT 35.8H 16 25.7 24 .478
Adult total bilirubin, mg/dL 1.1 57 0.7 27 .083
Child total bilirubin, mg/dL 0.8 86 0.5 82 .068
LDH, IU/L 849H 5 401H 4 .364
C-reactive protein, IU/L 50.0H 11 50.0H 16 .983
Albumin, g/dL** 3.9 117 4.7 98 .010
PT, sec** 15.8H 27 42.3H 15 .022
PTT, sec 41.8H 28 37.3H 24 .869
INR** 1.4 32 5.2H 25 .001
Fibrinogen, g/L 199H 9 102H 1 .602
D-dimer, ng/mL* 1701H 8 98.3 5 .019

Abbreviations: ALP, alkaline phosphatase; BUN, blood urea nitrogen; GGT, gamma-glutamyl transferase; INR, international normalized ratio; LDH, lactate dehydrogenase; PT, prothrombin time; PTT, partial thromboplastin time; RMSF, Rocky Mountain spotted fever; SGOT/AST, serum glutamic oxalacetic transaminase/aspartate aminotransferase; SGPT/ALT, serum glutamic pyruvic transaminase/alanine aminotransferase; WBC, white blood cell.

a

The superscript H indicates above normal limits; superscript L indicates below normal limits.

*

Significantly higher in cases than in patients with non-RMSF illness.

**

Significantly lower in cases than in patients with non-RMSF illness.