Table 4 Risk factor of PTS after 3 months of DVT
Variable | With PTS (n = 49) | Without PTS (n = 42) | p-value (chi-square) | RR (95% CI) | p value | Adjusted RR (95% CI) |
|---|---|---|---|---|---|---|
Age (years), n (%) | ||||||
≥ 60 | 24 (58.5) | 17 (41.5) | 0.53 | 1.17 (0.80–1.71) | ||
18–59 | 25 (50) | 25 (50) | ||||
Gender, n (%) | ||||||
Female | 32 (62.7) | 19 (37.3) | 0.06 | 1.48 (0.97–2.42) | 0.04 | 1.55 (1.03–1.94) |
Male | 17 (42.5) | 23 (57.5) | ||||
BMI (kg/m 2 ), n (%) | ||||||
Obesity | 7 (53.8) | 6 (46.2) | 1.00 | 1.02 (0.58–1.72) | ||
Not obesity | 42 (53.8) | 36 (46.2) | ||||
Thrombus Location, n(%) | ||||||
Proximal-distal | 7 (70) | 3 (30) | 0.33 | 1.35 (0.85–2.13) | ||
Proximal only or distal only | 42 (51.9) | 39 (48.1) | ||||
Unprovoked DVT | ||||||
Yes | 29 (67.4) | 14 (32.6) | 0.01 | 1.62 (1.01–2.40) | 0.01 | 1.67 (1.17–2.04) |
No | 20 (41.7) | 28 (58.3) | ||||
Immobilization, n(%) | ||||||
Yes | 9 (52.9) | 8 (47.1) | 0.93 | 0.98 (0.60–1.61) | ||
No | 40 (54.1) | 34 (45.9) | ||||
Malignancy, n(%) | ||||||
Yes | 7 (43.8) | 9 (56.2) | 0.37 | 0.78 (0.243–1.41) | ||
No | 42 (56) | 33 (44) | ||||
Surgery, n(%) | ||||||
Yes | 2 (50) | 2 (50) | 0.88 | 0.93 (0.34–2.51) | ||
No | 47 (54) | 40 (46) | ||||
Trauma, n(%) | ||||||
Yes | 1 (25) | 3 (75) | 0.24 | 0.45 (0.08–2.5) | ||
No | 48 (55.2) | 39 (44.8) |