Table 2: Cohort demographics.
| All (n = 5,466) | Frail (n = 1,006) | Not frail (n = 4,460) | p-value | |
|---|---|---|---|---|
| Age (Median, [Q1-Q3]) | 74 [69–80] | 81 [74–88] | 72 [68–78] | <0.001† |
| Sex (% Male) | 2,425 (44.4%) | 348 (34.6%) | 2,077(46.6%) | <0.001 |
| No Known Chronic Conditions | 732 (13.4%) | 52 (5.2%) | 680 (15.2%) | <0.001 |
| COPD* | 534 (11.3%) | 382 (10.1%) | 152 (15.9%) | <0.001 |
| Dementia* | 449 (9.5%) | 238 (24.9%) | 211 (5.6%) | <0.001 |
| Depression*1,155 (24.4%) | 316 (33.1%) | 839 (22.2%) | <0.001 | |
| Diabetes Mellitus* | 1,866 (39.4%) | 374 (39.2%) | 1,492 (39.5%) | 0.909 |
| Epilepsy* | 94 (2.0%) | 24 (2.5%) | 70 (1.9%) | 0.237 |
| Hypertension* | 3,614 (76.35) | 760 (79.7%) | 2,854(75.5%) | 0.008 |
| Osteoarthritis* | 2,187 (46.2%) | 439 (46.2%) | 1,748 (46.2%) | 0.929 |
| Mean BMI (Median [Q1–Q3]) | 28.5 [25.31–32.49] | 28.34 [24.52–33.17] | 28.50 [25.40–32.40] | 0.501† |
| Missing BMI | 1,735 (45.3%) | 436 (60.2%) | 1,299 (41.9%) | <0.001 |
| Mean Height (centimetres) (Median [Q1–Q3]) | 165.00 [157.47–173.15] | 160.00 [152.81–168.50] | 165.80 [158.15–174.00] | <0.001† |
| Missing Height (centimetres) | 1761 (46.0%) | 443 (61.2%) | 1318 (42.5%) | <0.001 |
| Mean Weight (kg) (Median [Q1–Q3]) | 79.60 [67.39–92.60] | 75.19 [64.21–90.00] | 80.32 [68.40–93.00] | <0.001† |
| Missing Weight (kg) | 1,317 (34.4%) | 302 (42.7%) | 1,015 (32.7%) | <0.001 |
| Missing Systolic Blood Pressure Measurement | 611 (16.0%) | 111 (15.3%) | 500 (16.1%) | 0.645 |
| Mean Systolic Blood Pressure (Median [Q1–Q3]) | 132.62 [124.50–141.28] | 133.00 [125.33–141.67] | 133.61 [123.95–142.00] | 0.546† |
| Number of Clinic Visits In Most Recent Calendar Year (Median [Q1–Q3]) | 5 [3–9] | 7 [4–11] | 5 [3–9] | <0.001† |
| Missing Clinic Visits | 296 (17.1%) | 35 (4.8%) | 261 (8.4%) | 0.002 |
| Number of Unique Medications Prescribed In Last 2 Years (Median [Q1–Q3]) | 6 [3–10] | 5 [3–9] | 7 [4–11] | <0.001† |
| Missing Medications | 249 (6.5%) | 27 (3.7%) | 222 (7.2%) | 0.001 |
*Proportions of those who has at least one known chronic condition.
†Tested using the Krusal-Wallis test.