| Board members |
|
|
|
|
|
|
|
|
|
| Board leadership, No./total No. (%) |
24/24 (100) |
23/24 (95.8) |
1/24 (4.2) |
.20 |
15/15 (100) |
13/15 (86.7) |
2/15 (13.3) |
.25 |
.004 |
| All members, No./total No. (%) |
859/859 (100) |
639/859 (74.4) |
220/859 (25.6) |
218/218 (100) |
158/218 (72.5) |
60/218 (27.5) |
.60 |
| Degree type, No. (%) |
|
|
|
|
|
|
|
|
|
| MD |
412 (48.3) |
335 (52.9) |
77 (35.0) |
<.001 |
187 (86.2) |
141 (89.8) |
46 (76.7) |
.04 |
<.001 |
| PhD |
226 (26.5) |
153 (24.2) |
73 (33.2) |
10 (4.6) |
5 (3.2) |
5 (8.3) |
<.001 |
| MD/PhD |
215 (25.2) |
145 (22.9) |
70 (31.8) |
20 (9.2) |
11 (7.0) |
9 (15.0) |
<.001 |
| Location, No. (%) |
|
|
|
|
|
|
|
|
|
| US |
504 (58.7) |
376 (58.9) |
128 (58.2) |
.85 |
207 (95.0) |
151 (95.6) |
56 (93.3) |
.74 |
<.001 |
| Outside the US |
354 (41.3) |
262 (41.1) |
92 (41.8) |
11 (5.0) |
7 (4.4) |
4 (6.7) |
<.001 |
| Career path of US members, No. (%) |
|
|
|
|
|
|
|
|
|
| Academic |
448 (88.9) |
330 (87.8) |
118 (92.2) |
.15 |
167 (80.7) |
118 (78.1) |
49 (87.5) |
.14 |
<.001 |
| Nonacademic |
56 (11.1) |
46 (12.2) |
10 (7.8) |
40 (19.3) |
33 (21.9) |
7 (12.5) |
<.001 |
| Years in publishing, median (IQR) |
|
|
|
|
|
|
|
|
|
| Board leaders |
39 (29-44) |
38 (28-44) |
40 |
.83 |
30 (23-36) |
30 (24-36) |
25 (20-30) |
.35 |
.02 |
| General board |
30 (22-37) |
31 (22-38) |
26 (20-34) |
<.001 |
27 (20-33) |
28 (22-33) |
22 (12-32) |
<.001 |
<.001 |
| Publication measures |
|
|
|
|
|
|
|
|
|
| Board leadership h-index, median (IQR) |
42 (34-60) |
42 (34-56) |
68 |
.19 |
31 (18-37) |
31 (19-36) |
25 (6-44) |
>.99 |
.003 |
| Board h-index, median (IQR) |
33 (23-45) |
34 (23-47) |
28 (19-40) |
<.001 |
25 (14-38) |
27 (15-41) |
17 (8-32) |
.006 |
<.001 |
| Board leadership m-quotient, median (IQR) |
1.2 (1.0-1.5) |
1.1 (1.0-1.5) |
1.7 |
.25 |
0.8 (0.7-1.2) |
0.8 (0.7-1.2) |
1.2 (0.2-2.2) |
>.99 |
.03 |
| Board m-quotient, median (IQR) |
1.2 (0.8-1.6) |
1.2 (0.8-1.6) |
1.1 (0.8-1.5) |
.54 |
1.0 (0.6-1.4) |
1.0 (0.7-1.4) |
0.9 (0.6-1.3) |
.32 |
<.001 |
| Publications, median (IQR), No. |
144 (79-234) |
157 (88-254) |
109 (66-188) |
<.001 |
95 (42-165) |
109 (57-190) |
58 (28-139) |
.001 |
<.001 |
| Citations, median (IQR), No. |
3737 (1744-7218) |
4027 (1897-8005) |
2871 (1344-5852) |
<.001 |
1832 (799-4743) |
2228 (1005-5069) |
1090 (410-2527) |
.003 |
<.001 |
