Table 6.
Comparison between clusters on baseline sociodemographic and general health measures, n (%) unless otherwise stated
| Description | Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 | Cluster 5 | Cluster 6 | Cluster 7 | Cluster 8 |
| No symptoms | Infrequent SoB | Occasional chest pain | Occasional SoB | Occasional chest pain and SoB | Frequent chest pain and SoB | Persistent SoB | Persistent chest pain and SoB | |
| Number of patients in cluster | 166 (25) | 93 (14) | 20 (3) | 83 (13) | 125 (19) | 75 (11) | 52 (8) | 47 (7) |
| Female | 33 (20) | 31 (33) | 5 (25) | 29 (35) | 43 (34) | 31 (41) | 22 (42) | 20 (43) |
| Age | ||||||||
| <60 | 26 (16) | 7 (8) | 4 (20) | 9 (11) | 11 (9) | 6 (8) | 2 (4) | 10 (21) |
| 60–69 | 59 (36) | 28 (30) | 5 (25) | 17 (20) | 42 (34) | 17 (23) | 17 (33) | 16 (34) |
| 70–79 | 59 (36) | 40 (43) | 9 (45) | 37 (45) | 53 (42) | 34 (45) | 24 (46) | 18 (38) |
| 80+ | 22 (13) | 18 (19) | 2 (10) | 20 (24) | 19 (15) | 18 (24) | 9 (17) | 3 (6) |
| BMI group | ||||||||
| Normal weight | 50 (31) | 24 (28) | 10 (50) | 16 (20) | 30 (26) | 17 (25) | 10 (20) | 9 (20) |
| Overweight | 81 (50) | 47 (55) | 7 (35) | 39 (49) | 57 (49) | 29 (43) | 16 (31) | 14 (32) |
| Obese | 31 (19) | 15 (17) | 3 (15) | 25 (31) | 29 (25) | 22 (32) | 25 (49) | 21 (48) |
| Mean PCS (SD) | 47.1 (10.26) | 39.5 (10.89) | 39.8 (11.4) | 38.3 (10.43) | 36.93 (9.71) | 28.5 (8.91) | 31.0 (9.99) | 24.6 (7.05) |
| Anxious or depressed | 17 (11) | 20 (22) | 6 (30) | 32 (40) | 51 (42) | 48 (69) | 20 (38) | 29 (63) |
| Pain sites | ||||||||
| None | 38 (23) | 15 (16) | 2 (10) | 5 (6) | 8 (6) | 3 (4) | 4 (8) | 1 (2) |
| 1–3 sites | 83 (50) | 39 (42) | 8 (40) | 30 (36) | 45 (36) | 19 (25) | 25 (48) | 10 (21) |
| 4+ sites | 45 (27) | 39 (42) | 10 (50) | 48 (58) | 72 (58) | 53 (71) | 23 (44) | 36 (77) |
BMI, body mas index; PCS, Physical Component Summ ary; SoB, shortness of breath.