Treatment of proximal humeral fractures accompanied by medial calcar fractures using fibular autografts: A retrospective, comparative cohort study

Table 1 Data of the clinical cases

Group	Quantity	Gender	Age (Yr)	Left or right	Neer type	Body height (cm)	Body weight (kg)	Cause of injury	Preoperative time (d)	Hospital stay (d)	Follow-up time (d)	Lost to follow-up	Refuse treatment	Complication
Group 1	22	Male: 6	65.86 ± 7.00	Left: 6	Neer type Ⅲ: 12	163.09 ± 7.83	63.55 ± 10.87	Walking injury: 14	5.35 ± 2.75	12.35 ± 4.21	18.55 ± 3.33	1	3	Hypertension: 8
		Female: 16		Right: 16	Neer type Ⅳ: 10			Collision: 2						Diabetes: 3
								Trauma due to cycling: 6						Cerebral infarction: 5
Group 2	25	Male: 8	64.80 ± 4.66	Left: 9	Neer type Ⅲ: 15	164.60 ± 6.83	64.36 ± 6.93	Walking injury: 17	6.08 ± 1.73	14.16 ± 3.00	20.72 ± 2.23	1	0	Hypertension: 8
		Female: 17		Right: 16	Neer type Ⅳ: 10			Collision: 4						Diabetes: 5
								Trauma due to cycling: 4						Cerebral infarction: 4

Table 2 Follow-up results of clinical cases

Parameter		Group 1 (n = 22)	Group (n = 25)	t value	P value
Bloold loss from the shoulder wound (mL)		390.91 ± 199.78	412.00 ± 148.10	0.414	0.681
Mean operation time (h)		2.25 ± 0.30	2.76 ± 0.44	4.614	< 0.001
Shoulder wound pain score (points)		7.91 ± 1.15	8.56±1.00	2.072	0.044
Fracture healing time (mo)		2.68 ± 0.48	3.64 ± 0.64	5.768	< 0.001
Constant-Murley score of the shoulder (points)	At 3 mo	76.64 ± 4.02	72.72 ± 3.02	3.804	< 0.001
	At 6 mo	86.36 ± 3.53	82.96 ± 3.40	3.367	0.002
	At 12 mo	87.95 ± 2.77	84.68 ± 2.63	4.159	< 0.001
Holden walking function score (points)	Preoperation	V	V
	Postoperation	V	V
Mallet score of the shoulder (points)	At 3 mo	10.32 ± 0.57	9.96 ± 0.54	2.218	0.032
	At 6 mo	13.36 ± 1.00	12.60 ± 0.87	2.803	0.007
	At 12 mo	13.91 ± 0.75	13.36 ± 0.70	2.595	0.013
Humeral neck-shaft angles (°)	Preoperation	126.32 ± 4.91	126.72 ± 2.32	0.351	0.728
	Postoperation	125.64 ± 4.63	122.96 ± 2.23	2.572	0.013