. Author manuscript; available in PMC: 2022 Oct 1.

Published in final edited form as: Plast Reconstr Surg. 2021 Oct 1;148(4):558e–567e. doi: 10.1097/PRS.0000000000008317

Table 3:

Updated Fit to the Rasch model

Function Domain
Item	Item Statement	MNSQ Infit^a	MNSQ Outfit^b	Chi Square (X²)	P-value	DOF^c
1	How well did your hand work?	0.539	0.567	112.748	1	208
2	How well did your fingers move?	0.766	0.874	160.168	0.994	208
3	How well did your wrist move?	0.704	0.723	147.084	1	208
4	How was the strength in your hand?	0.883	0.869	184.479	0.878	208
5	How was the sensation (feeling) in your hand?	1.213	1.012	253.52	0.017	208
Activities of Daily Living Domain
Item	Item Statement	MNSQ Infit^a	MNSQ Outfit^b	Chi Square (X²)	P-value	DOF^c
1	Turn a door knob?	0.724	0.768	131.115	0.998	180
2	Pick up a coin?	1.052	0.941	190.406	0.283	180
3	Hold a glass of water?	0.597	0.859	108.124	1	180
4	Turn a key in a lock?	0.981	1.013	177.548	0.538	180
5	Hold a frying pan?	0.959	1.005	173.54	0.622	180
6	Open a Jar?	Item Misfit
7	Button a shirt/blouse?	1.167	1.076	211.213	0.056	180
8	Eat with a knife/fork?	1.11	1.135	200.874	0.137	180
9	Carry a grocery bag?	1.171	1.02	211.91	0.052	180
10	Wash dishes?	0.819	0.845	148.149	0.96	180
11	Wash your hair?	0.665	0.814	120.369	1	180
12	Tie shoelaces/knots?	0.614	0.757	111.102	1	180
Work Domain
Item	Item Statement	MNSQ Infit^a	MNSQ Outfit^b	Chi Square (X²)	P-value	DOF^c
1	How often were you unable to work because of problems with your hand(s)/wrist(s)?	Item Misfit
2	How often did you have to shorten your work day because of problems with your hand(s)/wrist(s)?	1.148	0.99	163.021	0.099	141
3	How often did you have to take it easy at your work because of problems with your hand(s)/wrist(s)?	0.704	0.707	100.032	0.996	141
4	How often did you accomplish less in your work because of problems with your hand(s)/wrist(s)?	0.606	0.611	86.097	1	141
5	How often did you take longer to do the tasks in your work because of problems with your hand(s)/wrist(s)?	0.695	0.738	98.67	0.997	141
Pain Domain
Item	Item Statement	MNSQ Infit^a	MNSQ Outfit^b	Chi Square (X²)	P-value	DOF^c
1	How often did you have pain in your hand(s)/wrist(s)?	0.861	1.067	146.408	0.895	169
2	Please describe the pain you had in your hand(s)/wrist(s).	Non-uniform DIF
3	How often did the pain in your hand(s)/wrist(s) interfere with your sleep?	0.594	0.775	100.988	1	169
4	How often did the pain in your hand(s)/wrist(s) interfere with your daily activities (such as eating or bathing)?	0.537	0.695	91.304	1	169
5	How often did the pain in your hand(s)/wrist(s) make you unhappy?	0.583	0.709	99.085	1	169
Aesthetics Domain
Item	Item Statement	MNSQ Infit^a	MNSQ Outfit^b	Chi Square (X²)	P-value	DOF^c
1	I am satisfied with the appearance (look) of my hand.	0.945	0.862	131.815	0.88	152
2	The appearance (look) of my hand sometimes made me uncomfortable in public.	0.511	0.451	68.938	1	152
3	The appearance (look) of my hand made me depressed.	Non-uniform DIF
4	The appearance (look) of my hand interfered with my normal social activities.	0.744	0.638	97.625	1	152
Satisfaction Domain
Item	Item Statement	MNSQ Infit^a	MNSQ Outfit^b	Chi Square (X²)	P-value	DOF^c
1	Overall function of your hand?	Non-uniform DIF
2	Motion of the fingers in your hand?	0.63	0.727	114.586	1	181
3	Motion of your wrist?	0.811	0.871	147.598	0.967	181
4	Strength of your hand?	0.834	0.866	151.775	0.944	181
5	Pain level of your hand?	0.726	0.737	132.07	0.998	181
6	Sensation (feeling) of your hand?	0.933	0.887	169.79	0.715	181

^a)

Outfit MNSQ = outlier-sensitive mean square statistic

^b)

Infit MNSQ = information-weighted mean square statistic

^c)

DOF = degrees of freedom