| Male |
703 (53.9) |
184 (54.9) |
519 (53.6) |
0.713 |
| Female |
601 (46.1) |
151 (45.1) |
450 (46.4) |
0.713 |
| Median Age |
63.00 [48.00, 73.00] |
61.82 [43.60, 73.82] |
64.00 [50.00, 73.00] |
0.057 |
| Not Reported Dead |
915 (70.2) |
245 (73.1) |
670 (69.1) |
0.191 |
| Reported Dead |
389 (29.8) |
90 (26.9) |
299 (30.9) |
0.191 |
| Other Insurance |
933 (71.5) |
248 (74.0) |
685 (70.7) |
0.273 |
| Medicaid/Safety Net |
371 (28.5) |
87 (26.0) |
284 (29.3) |
0.273 |
| Immunocompetent |
1133 (86.9) |
321 (95.8) |
812 (83.8) |
<0.001 |
| Immunosuppressed |
171 (13.1) |
14 (4.2) |
157 (16.2) |
<0.001 |
| Mass General Hospital |
706 (54.1) |
231 (69.0) |
475 (49.0) |
<0.001 |
| Brigham and Women's Hospital |
598 (45.9) |
104 (31.0) |
494 (51.0) |
<0.001 |
| Neurology |
584 (44.8) |
210 (62.7) |
374 (38.6) |
<0.001 |
| Medicine/Subspecialties |
456 (35.0) |
89 (26.6) |
367 (37.9) |
<0.001 |
| Oncology |
178 (13.7) |
22 (6.6) |
156 (16.1) |
<0.001 |
| Other |
86 (6.6) |
14 (4.2) |
72 (7.4) |
<0.001 |
| Serum WBC |
8.17 [5.68, 11.40] |
8.46 [6.38, 11.30] |
8.07 [5.48, 11.47] |
0.181 |
| CSF Protein |
47.50 [31.70, 78.05] |
57.10 [36.85, 92.60] |
45.00 [30.00, 69.93] |
<0.001 |
| CSF TP < 60 |
834 (64.0) |
174 (51.9) |
660 (68.2) |
<0.001 |
| CSF TP > 60 |
469 (36.0) |
161 (48.1) |
308 (31.8) |
<0.001 |
| CSF Glucose |
68.00 [58.00, 85.00] |
66.00 [55.50, 81.00] |
69.00 [59.00, 86.00] |
0.001 |
| CSF Total Nucleated Cell Count |
3.00 [1.00, 21.00] |
13.00 [2.00, 76.00] |
2.00 [1.00, 10.00] |
<0.001 |
| CSF TNC < 5 |
769 (59.0) |
127 (37.9) |
642 (66.3) |
<0.001 |
| CSF TNC ≥ 5 |
535 (41.0) |
208 (62.1) |
327 (33.7) |
<0.001 |
| CSF Lymphocyte Count |
66.00 [25.00, 86.00] |
74.00 [39.00, 89.00] |
62.00 [20.00, 85.00] |
<0.001 |
| Normal CSF Cell Count (CSF TNC < 5) |
769 (59.0) |
127 (37.9) |
642 (66.3) |
<0.001 |
| Pleocytosis (Lymph > 50%) |
350 (26.8) |
153 (45.7) |
197 (20.3) |
<0.001 |
| Pleocytosis (Lymph < 50%) |
185 (14.2) |
55 (16.4) |
130 (13.4) |
<0.001 |
| Test Sent Off-Season |
479 (36.7) |
115 (34.3) |
364 (37.6) |
0.321 |
| Test Sent June-Nov |
825 (63.3) |
220 (65.7) |
605 (62.4) |
0.321 |