Table 1 Participant Characteristics of the Simplified-Chinese version PFS Validation Sample by Perceived Physical Fatigability Severity Strata
Characteristics | Total sample N = 457 | PFS Physical Score Severity Strata | ||
|---|---|---|---|---|
Less Fatigability 0–14 n = 54 | 15–24 n = 132 | Most Fatigability ≥25 n= 271 | ||
Age, years | 84.8 ± 5.8 | 80.2 ± 8.7 | 84.5 ± 5.8 | 85.8 ± 4.5 |
≥ 80 years | 404 (92.3) | 35 (64.8) | 116 (87.9) | 253 (93.4) |
Median (IQR) | 86.0 (83.0–88.0) | 83.0 (72.8–87.3) | 85.5 (83.0–88.0) | 86.0 (83.0–89.0) |
Women | 275 (60.2) | 26 (48.1) | 65 (49.2) | 184 (67.9) |
Married | 280 (61.3) | 35 (64.8) | 93 (70.5) | 152 (56.1) |
Education years | ||||
< 12 (Below high school) | 127 (27.8) | 16 (29.6) | 25 (18.9) | 86 (31.7) |
= 12 (High school) | 109 (23.9) | 15 (27.8) | 28 (21.2) | 66 (24.4) |
> 12 (Above high school) | 221 (48.4) | 23 (42.6) | 79 (59.8) | 119 (43.9) |
Monthly income, RMB/ USD | ||||
< 10,000/ 1549.4 | 201 (44.0) | 23 (42.6) | 51 (38.6) | 127 (46.9) |
≥ 10,000/ 1549.4 | 256 (56.0) | 31 (57.4) | 81 (61.4) | 144 (53.1) |
BMI, kg/m2 | 24.0 ± 3.5 | 24.3 ± 3.3 | 24.2 ± 3.1 | 23.9 ± 3.7 |
Smoking status | ||||
Current | 8 (1.8) | 2 (3.7) | 3 (2.3) | 3 (1.1) |
Previous a | 91 (19.9) | 10 (18.5) | 31 (23.5) | 50 (18.5) |
Never | 358 (78.3) | 42 (77.8) | 98 (74.2) | 218 (80.4) |
MNA score, 0–14 range | 12.9 ± 1.6 | 13.3 ± 1.0 | 13.2 ± 1.1 | 12.7 ± 1.8 |
≤ 11 | 64 (14.2) | 4 (7.4) | 12 (9.2) | 48 (18.1) |
Health Conditions | ||||
Hypertension | 320 (70.6) | 35 (64.8) | 88 (67.2) | 197 (73.5) |
CAD | 227 (50.3) | 23 (42.6) | 60 (45.8) | 144 (54.1) |
COPD | 82 (18.2) | 3 (5.6) | 27 (20.8) | 52 (19.5) |
Diabetes | 132 (28.9) | 10 (18.5) | 33 (25.2) | 89 (32.8) |
CKD | 45 (10.0) | 6 (11.1) | 12 (9.2) | 27 (10.1) |
Number of comorbidities | ||||
0–1 | 54 (12.5) | 20 (15.9) | 24 (9.4) | 10 (19.2) |
2–4 | 218 (50.3) | 62 (49.2) | 124 (48.6) | 32 (61.5) |
≥ 5 | 161 (37.2) | 44 (34.9) | 107 (42) | 10 (19.2) |
Total SPPB score, 0–12 range | 8.4 ± 2.8 | 10.3 ± 1.9 | 9.1 ± 2.3 | 7.5 ± 2.8 |
10–12 | 141 (39.9) | 37 (71.2) | 53 (48.6) | 51 (26.6) |
7–9 | 116 (32.9) | 13 (25.0) | 42 (38.5) | 61 (31.8) |
≤ 6 | 96 (27.2) | 2 (3.8) | 14 (12.8) | 80 (41.7) |
Gait speed, m/s | 0.9 ± 0.3 | 1.1 ± 0.3 | 1.0 ± 0.2 | 0.8 ± 0.2 |
< 1 m/s | 273 (67.9) | 18 (34.0) | 74 (57.8) | 181 (81.9) |
Chair stand test time, s | 14.2 ± 4.9 | 12.5 ± 4.8 | 12.8 ± 3.1 | 15.8 ± 5.4 |
≥ 16.7 s or incapable b | 133 (35.2) | 3 (5.9) | 30 (28.6) | 100 (45.0) |
TUG time, s | 12.9 ± 4.9 | 11.4 ± 5.4 | 12.1 ± 4.0 | 14.0 ± 5.3 |
≥ 14.0 s | 112 (33.0) | 10 (19.6) | 33 (26.8) | 69 (41.8) |
ADL ≤ 80 | 48 (10.5) | 1 (1.9) | 0 (0.0) | 47 (17.4) |
IADL ≤ 7 | 284 (62.1) | 18 (33.3) | 67 (50.8) | 199 (73.4) |