Table 2.

Interobserver Agreement on Subluxation in PIP Joint Fractures Assessed by 105 Hand Surgeons.

PIP joint case	Subluxated (n)	Not subluxated (n)	Articular involvement, %	Fragment displacement, %
3	105	0	65	62
17	105	0	62	64
19	105	0	67	40
20	105	0	52	30
9	105	0	50	75
12	104	1	32	53
26	103	2	13	20
15	96	9	44	48
24	90	15	40	26
16	81	24	72	14
7	78	27	55	81
18	77	28	32	15
23	70	35	53	20
5	63	42	12	9.5
22	60	45	48	52
4	60	45	42	5.9
25	57	48	54	14
21	27	78	24	38
1	19	86	22	2.4
2	11	94	21	21
10	6	99	9.7	17
13	5	100	22	20
14	4	101	19	9.9
11	3	102	24	25
8	2	103	17	4.4
6	1	104	18	16

Note. Percent agreement: 85%. κ = 0.59; 95% confidence interval: 0.435-0.740; P < .001. PIP = proximal interphalangeal.

Shading indicates the cases with the lowest interobserver agreement.