Table 1.
Descriptive characteristics for the total study population of patients with localized RCC and by quartiles of device-measured moderate-to-vigorous activity (MVPA) and sedentary time
| MVPA quartiles (h/week) | Sedentary time quartiles (h/day) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Total | 0–2.7 | 2.8–4.2 | 4.2–6.7 | ≥ 6.7 | ≥ 11.4 | 10.2–11.4 | 8.8–10.2 | 0–8.8 | |
| Number of participants, n | 341 | 85 | 85 | 85 | 86 | 86 | 85 | 85 | 85 |
| Age (years), mean (SD) | 62.8 (8.9) | 66.5 (6.5) | 61.4 (9.3) | 62.0 (10.6) | 61.4 (7.7) | 62.9 (8.7) | 64.7 (8.4) | 61.4 (9.0) | 62.2 (9.1) |
| Gender (male), n (%) | 243 (71.3%) | 65 (76.5%) | 58 (68.2%) | 60 (70.6%) | 60 (69.8%) | 68 (79.1%) | 66 (77.6%) | 61 (71.8%) | 48 (56.5%) |
| Body mass index (kg/m2), mean (SD) | 27.5 (4.6) | 28.9 (5.2) | 27.8 (4.4) | 27.3 (4.7) | 25.9 (3.5) | 28.6 (4.8) | 27.8 (4.5) | 27.3 (4.4) | 26.2 (4.4) |
| Body mass index categories (kg/m2), n (%) | |||||||||
| < 25a | 104 (30.5%) | 14 (16.5%) | 27 (31.8%) | 27 (31.8%) | 36 (41.9%) | 16 (18.6%) | 25 (29.4%) | 28 (32.9%) | 35 (41.2%) |
| 25–30 | 156 (45.7%) | 39 (45.9%) | 38 (44.7%) | 42 (49.4%) | 37 (43.0%) | 43 (50.0%) | 36 (42.4%) | 42 (49.4%) | 35 (41.2%) |
| ≥ 30 | 81 (23.8%) | 32 (37.6%) | 20 (23.5%) | 16 (18.8%) | 13 (15.1%) | 27 (31.4%) | 24 (28.2%) | 15 (17.6%) | 15 (17.6%) |
| Education, n (%) | |||||||||
| Low | 139 (40.8%) | 40 (47.1%) | 34 (40.0%) | 35 (41.2%) | 30 (34.9%) | 37 (43.0%) | 27 (31.8%) | 29 (34.1%) | 46 (54.1%) |
| Medium | 109 (32.0%) | 26 (30.6%) | 25 (29.4%) | 29 (34.1%) | 29 (33.7%) | 26 (30.2%) | 24 (28.2%) | 34 (40.0%) | 25 (29.4%) |
| High | 93 (27.3%) | 19 (22.4%) | 26 (30.6%) | 21 (24.7%) | 27 (31.4%) | 23 (26.7%) | 34 (40.0%) | 22 (25.9%) | 14 (16.5%) |
| Cigarette smoking status, n (%) | |||||||||
| Never | 129 (37.8%) | 17 (20.0%) | 40 (47.1%) | 44 (51.8%) | 28 (32.6%) | 35 (40.7%) | 30 (35.3%) | 29 (34.1%) | 35 (41.2%) |
| Former | 170 (49.9%) | 50 (58.8%) | 30 (35.3%) | 37 (43.5%) | 53 (61.6%) | 34 (39.5%) | 46 (54.1%) | 46 (54.1%) | 44 (51.8%) |
| Current | 42 (12.3%) | 18 (21.2%) | 15 (17.6%) | 4 (4.7%) | 5 (5.8%) | 17 (19.8%) | 9 (10.6%) | 10 (11.8%) | 6 (7.1%) |
| Comorbidities, n (%) | |||||||||
| 0 | 51 (15.0%) | 7 (8.2%) | 15 (17.6%) | 16 (18.8%) | 13 (15.1%) | 8 (9.3%) | 7 (8.2%) | 18 (21.2%) | 18 (21.2%) |
| 1 | 80 (23.5%) | 19 (22.4%) | 22 (25.9%) | 20 (23.5%) | 19 (22.1%) | 23 (26.7%) | 23 (27.1%) | 17 (20.0%) | 17 (20.0%) |
| ≥ 2 | 210 (61.6%) | 59 (69.4%) | 48 (56.5%) | 49 (57.6%) | 54 (62.8%) | 55 (64.0%) | 55 (64.7%) | 50 (58.8%) | 50 (58.8%) |
| Tumor stage, n (%) | |||||||||
| I | 220 (64.5%) | 49 (57.6%) | 58 (68.2%) | 62 (72.9%) | 51 (59.3%) | 57 (66.3%) | 51 (60.0%) | 53 (62.4%) | 59 (69.4%) |
| II | 53 (15.5%) | 17 (20.0%) | 11 (12.9%) | 7 (8.2%) | 18 (20.9%) | 9 (10.5%) | 17 (20.0%) | 14 (16.5%) | 13 (15.3%) |
| III | 68 (19.9%) | 19 (22.4%) | 16 (18.8%) | 16 (18.8%) | 17 (19.8%) | 20 (23.3%) | 17 (20.0%) | 18 (21.2%) | 13 (15.3%) |
| Tumor grade, n (%) | |||||||||
| 1 | 44 (14.5%) | 13 (16.5%) | 9 (12.0%) | 14 (17.9%) | 8 (11.1%) | 12 (15.0%) | 8 (10.1%) | 14 (19.2%) | 10 (13.9%) |
| 2 | 174 (57.2%) | 46 (58.2%) | 48 (64.0%) | 44 (56.4%) | 36 (50.0%) | 48 (60.0%) | 43 (54.4%) | 36 (49.3%) | 47 (65.3%) |
| 3 | 66 (21.7%) | 16 (20.3%) | 14 (18.7%) | 16 (20.5%) | 20 (27.8%) | 18 (22.5%) | 22 (27.8%) | 18 (24.7%) | 8 (11.1%) |
| 4 | 20 (6.6%) | 4 (5.1%) | 4 (5.3%) | 4 (5.1%) | 8 (11.1%) | 2 (2.5%) | 6 (7.6%) | 5 (6.8%) | 7 (9.7%) |
| Missing | 37 | 6 | 10 | 7 | 14 | 6 | 6 | 12 | 13 |
| Type of surgery, n (%) | |||||||||
| Radical nephrectomy | 197 (57.8%) | 58 (68.2%) | 46 (54.1%) | 42 (49.4%) | 51 (59.3%) | 45 (52.3%) | 58 (68.2%) | 51 (60.0%) | 43 (50.6%) |
| Partial nephrectomy | 140 (41.1%) | 24 (28.2%) | 39 (45.9%) | 43 (50.6%) | 34 (39.5%) | 38 (44.2%) | 26 (30.6%) | 34 (40.0%) | 42 (49.4%) |
| Other | 4 (1.2%) | 3 (2.6%) | 0 (0.0%) | 0 (0.0%) | 1 (2.6%) | 3 (2.6%) | 1 (1.2%) | 0 (0.0%) | 0 (0.0%) |
| Grade ≥ 2 postoperative complication, n (%) | 64 (18.8%) | 23 (27.1%) | 13 (15.3%) | 14 (16.5%) | 14 (16.3%) | 17 (19.8%) | 16 (18.8%) | 19 (22.4%) | 12 (14.1%) |
| MVPA (h/week), mean (SD) | 4.8 (2.9) | 1.8 (0.7) | 3.5 (0.5) | 5.1 (0.6) | 9.0 (2.1) | 3.4 (2.2) | 4.7 (2.7) | 5.0 (2.6) | 6.2 (3.3) |
| Sedentary time (h/day), mean (SD) | 10.1 (1.7) | 10.9 (1.8) | 10.5 (1.6) | 9.8 (1.4) | 9.3 (1.7) | 12.3 (0.8) | 10.7 (0.3) | 9.6 (0.4) | 7.9 (0.9) |
| Mobility limitation, n (%) | |||||||||
| No | 252 (73.9%) | 45 (52.9%) | 62 (72.9%) | 73 (85.9%) | 72 (83.7%) | 61 (70.9%) | 64 (75.3%) | 60 (70.6%) | 67 (78.8%) |
| Yes | 89 (25.5%) | 40 (47.1%) | 23 (27.1%) | 12 (14.1%) | 14 (16.3%) | 25 (29.1%) | 21 (24.7%) | 25 (29.4%) | 18 (21.2%) |
aIncluding 1 patient with underweight (BMI < 18.5 kg/m2)