Table 1.
Demographic, comorbidity distribution, and salivary total protein between study groups and their relation to salivary HO-1.
| Groups | Non-neurological Control | Degenerative neurological Control | Non-degenerative neurological Control | PD | All non-neurodegenerative Control | All neurodegenerative condition | P value |
|---|---|---|---|---|---|---|---|
| N | 162 | 37 | 33 | 75 | 195 | 112 | |
| Protein (mean (SD)) (mg/ml) | 2.81 (1.39) | 3.39 (1.61) | 3.31 (1.34) | 3.99 (1.98) | 2.9 (1.39) | 3.79 (1.88) | <.01 |
| Age (mean(SD)) | 62.19 (12) | 80.14 (6) | 60.7 (14) | 72.65 (11) | 62 (12) | 75 (10) | <.01 |
| Female (%) | 99 (61%) | 21 (57%) | 24 (73%) | 18 (24%) | 99 (51%) | 39 (35%) | <.01 |
| Male (%) | 63 (39%) | 16 (43%) | 9 (27%) | 57 (76%) | 63 (32%) | 73 (65%) | |
| Arthritis (%) | 43 (27%) | 12 (32%) | 10 (27%) | 30 (40%) | 53 (27%) | 42 (38%) | .08 |
| No arthritis (%) | 119 (74%) | 25 (68%) | 23 (73%) | 45 (60%) | 142 (73%) | 70 (63%) | |
| Thyroid condition (%) | 29 (18%) | 4 (11%) | 10 (30%) | 16 (21%) | 39 (20%) | 20 (18%) | .76 |
| No-thyroid condition (%) | 133 (82%) | 33 (89%) | 23 (70%) | 59 (79%) | 156 (80%) | 92 (82%) | |
| Cardiac condition (%) | 9 (6%) | 9 (24%) | 3 (9%) | 12 (16%) | 12 (6%) | 21 (19%) | <.01 |
| No-cardiac condition (%) | 153 (94%) | 28 (76%) | 30 (91%) | 63 (84%) | 183 (94%) | 91 (81%) | |
| Diabetes (%) | 19 (12%) | 6 (16%) | 3 (9%) | 4 (5%) | 22 (11%) | 10 (9%) | .65 |
| No diabetes (%) | 143 (88%) | 31 (84%) | 30 (91%) | 71 (95%) | 173 (89%) | 102 (91%) |