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. 2017 Nov 30;12(11):e0188954. doi: 10.1371/journal.pone.0188954

Table 1. The characteristics of the elderly NSC- and SC-patients.


Total population
(N = 1784)
Non-Specific Complaints (N = 244, 13.7%) Specific
Complaints (N = 1540, 86.3%)
P-value
Age, mean (SD) 77.5 (7.7) 77.6 (7.3) 77.5 (7.7) 0.87
Male patients (%) 824 (46.2%) 121 (49.6%) 703 (45.6%) 0.25
Charlson comorbidity index, mean (SD) 2.5 (2.2) 3.0 (2.4) 2.4 (2.2) <0.001*
    Malignancy (%) 551 (30.8%) 103 (42.2%) 448 (29.1%) <0.001*
    Dementia (%) 104 (5.9%) 14 (5.8%) 90 (5.9%) 0.92
    Diabetes Mellitus (%) 414 (23.2%) 57 (23.4%) 357 (23.2%) 0.16
    Cardiovascular (%) 192 (10.8% 96 (39.3%) 96 (35.9%) 0.35
    Cerebrovascular (%) 254 (14.2%) 42 (17.2%) 212 (13.8%) 0.23
    Pulmonary (%) 259 (14.5%) 33 (13.5%) 226 (14.7%) 0.52
No. of medications, mean (SD) 6.5 (3.9) 7.0 (4.2) 6.4 (3.9) 0.04*
Residence (%) 0.02*
    Independently 187 (10.5%) 33 (13.5%) 154 (10.0%)
    Home care 164 (9.2%) 32 (13.1%) 132 (8.6%)
    Care home 60 (3.4%) 3 (3.5%) 57 (3.7%)
    Nursing home 79 (4.4%) 8 (1.2%) 71 (4.6%)
    Other 44 (2.5%) 9 (3.7%) 35 (2.3%)
Cognitive impairment (%) 329 (18.4%) 46 (18.9%) 283 (18.4%) 0.85
Functional status (%) 0.04*
    1 problem 663 (37.2%) 120 (49.2%) 543 (35.3%)
    >1 problem 232 (13.0%) 57 (23.4%) 175 (11.4%)
    No problem 17 (1.0%) 1 (0.4%) 16 (1.0%)

ED = Emergency department. SD = Standard deviation. P-values for NSC- vs. SC-patients: using the Chi-square test, unpaired t-test and Mann Whitney U test.

* = P<0.05.