Validation of the Patient Driven Payment Model (PDPM) in China

Table 3 PT&OT case-mix classification groups

Clinical Category	PT&OT Function Score	PDPM Original CMG	PDPM CMG in China	N	%	Mean	SD	Median	IQR	CV	CMI
Major Joint Replacement or Spinal Surgery	0–9	TA/TB	TAB	3	0.02%	127.40	43.78	121.08	39.77	0.34	0.93
Major Joint Replacement or Spinal Surgery	10–24	TC/TD	TCD	3	0.02%	186.42	32.22	185.92	22.78	0.17	1.37
Other Orthopedic	0–5	TE	TE	322	2.39%	251.05	95.92	225.33	115.79	0.38	1.84
Other Orthopedic	6–9	TF	TF	159	1.18%	187.76	127.65	147.13	221.99	0.68	1.38
Other Orthopedic	10–23	TG	TG	953	7.06%	192.64	132.36	166.17	215.83	0.69	1.41
Other Orthopedic	24	TH	TH	1121	8.31%	178.23	123.55	162.34	193.5	0.69	1.31
Medical Management	0–5	TI	TI	2249	16.66%	67.92	97.43	28.00	140.38	1.43	0.50
Medical Management	6–9	TJ	TJ	574	4.25%	104.03	105.85	59.97	162.57	1.02	0.76
Medical Management	10–23	TK	TK	2061	15.27%	43.67	66.64	3.37	59.17	1.53	0.32
Medical Management	24	TL	TL	650	4.82%	30.52	46.16	2.73	43.23	1.51	0.22
Non-Orthopedic Surgery and Acute Neurologic	0–5	TM	TM	3477	25.76%	254.71	98.89	239.46	136.11	0.39	1.87
Non-Orthopedic Surgery and Acute Neurologic	6–9	TN	TN	564	4.18%	268.10	86.49	245.33	130.83	0.32	1.96
Non-Orthopedic Surgery and Acute Neurologic	10–23	TO	TO	1026	7.60%	240.24	94.49	227.20	124.62	0.39	1.76
Non-Orthopedic Surgery and Acute Neurologic	24	TP	TP	334	2.47%	214.41	133.02	189.64	199.25	0.62	1.57

PT physical therapy, OT occupational therapy, SD standard deviation, IQR interquartile range, CV coefficient of variation, CMI case mix index

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