Table 4 Characteristics stratified by critical weight loss before and after propensity-score matching in patients received IMRT
From: Critical weight loss predicts poor prognosis in nasopharyngeal carcinoma
| Â | Before Matching | Â | After Matching | Â | ||
|---|---|---|---|---|---|---|
Characteristics | Non-CWL (N = 55) | CWL (N = 83) | P | Non-CWL (N = 55) | CWL (N = 55) | P |
Age (y) media (range) | 41 (18–60) | 42 (13–73) | 0.538 | 41 (18–60) | 40 (15–67) | 0.832 |
Sex (%) | Â | Â | Â | Â | Â | Â |
 Male | 39 (70.9) | 63 (75.9) | 0.513 | 39 (70.9) | 41 (74.5) | 0.669 |
 Female | 16 (29.1) | 20 (24.1) |  | 16 (29.1) | 14 (25.5) |  |
Clinical stage (%) | Â | Â | Â | Â | Â | Â |
 I-II | 24 (43.6) | 20 (24.1) | 0.016 | 24 (43.6) | 19 (34.5) | 0.329 |
 III-IV | 31 (56.4) | 63 (75.9) |  | 31 (56.4) | 36 (65.5) |  |
T-stage (%) | Â | Â | Â | Â | Â | Â |
 T1-2 | 30 (54.5) | 36 (43.4) | 0.198 | 30 (54.5) | 24 (43.6) | 0.252 |
 T3-4 | 25 (45.5) | 47 (56.6) |  | 25 (45.5) | 31 (56.4) |  |
N-stage (%) | Â | Â | Â | Â | Â | Â |
 N0-1 | 44 (80.0) | 40 (48.2) | <0.001 | 44 (80.0) | 38 (69.1) | 0.189 |
 N2-3 | 11 (20.0) | 43 (51.8) |  | 11 (20.0) | 17 (30.9) |  |
Treatment group (%) | Â | Â | Â | Â | Â | Â |
 RT | 34 (61.8) | 24 (28.9) | <0.001 | 34 (61.8) | 23 (41.8) | 0.036 |
 CRT | 21 (38.2) | 59 (71.1) |  | 21 (38.2) | 32 (58.2) |  |
Smoking status (%) | Â | Â | Â | Â | Â | Â |
 Never-smokers | 33 (60.0) | 48 (57.8) | 0.800 | 33 (60.0) | 31 (56.4) | 0.699 |
 Ex-smokers | 22 (40.0) | 35 (42.2) |  | 22 (40.0) | 24 (43.6) |  |
RTdose (Gy), media (range) | 68 (66–81) | 68 (66–68) | 0.289 | 68 (66–81) | 68 (66–88) | 0.254 |
BMI (kg/m2), media (range) | 23.34 (14.86–30.08) | 23.23 (15.35–30.82) | 0.565 | 23.34 (14.86–30.08) | 23.23 (15.35–30.82) | 0.268 |