Table 1.
Institution 1 (PENN) |
Institution 2 (CHOP) |
Institution 3 (China 2) |
Institution 4 (China 1) |
Institution 5 (China 3) |
|
---|---|---|---|---|---|
Hospital type | Adult & Pediatric | Pediatric | Adult & Pediatric | Adult & Pediatric | Pediatric |
Number of patients | 160 | 333 | 572 | 186 | 105 |
Age, mean, years (SD) | 40•3 (17•8) | 12•6 (4•8) | 28•4 (17•8) | 31•3 (19•3) | 7•5 (3•9) |
Sex (% male) | 82 (51•2) | 188 (56•5) | 328(57•3) | 116 (62•4) | 75 (71•4) |
Pathology (%) | |||||
Benign | 69 (43•1) | 112 (33•6) | 336 (58•7) | 78 (41•9) | 84 (80•0) |
Intermediate | 35 (21•9) | 78 (23•4) | 143 (25•0) | 45 (24•2) | 16 (15•2) |
Malignant | 56 (35•0) | 143 (42•9) | 93 (16•3) | 63 (33•9) | 5 (4•8) |