Table 2.

Data of 166 ‘returning’ professionals (Group A), including 76 professionals at HMU (Group A1) and 90 professionals at affiliated hospitals of HMU (Group A2 )

		Maximum		Minimum		Mean
Age	Group A	70	Group A	31	Group A	44.9
	Group A 1	70	Group A 1	31	Group A 1	44.7
	Group A 2	70	Group A 2	31	Group A 2	45.1
Duration of studying or training abroad (months)	Group A	196	Group A	6	Group A	28.2
	Group A 1	196	Group A 1	6	Group A 1	29.7
	Group A 2	84	Group A 2	6	Group A 2	27.0
Age of going abroad	Group A	55	Group A	25	Group A	35.3
	Group A 1	47	Group A 1	25	Group A 1	36.0
	Group A 2	55	Group A 2	25	Group A 2	34.7
Total IF of papers published abroad	Group A	94.69	Group A	0.00	Group A	3.83
	Group A 1	94.69	Group A 1	0.00	Group A 1	4.58
	Group A 2	60.22	Group A 2	0.00	Group A 2	7.32
Total IF of papers published at home	Group A	113.07	Group A	0.00	Group A	11.65
	Group A 1	113.07	Group A 1	0.00	Group A 1	17.16
	Group A 2	55.00	Group A 2	0.00	Group A 2	6.99
Number of NSFC	Group A	7	Group A	0	Group A	0.93
	Group A 1	7	Group A 1	0	Group A 1	1.21
	Group A 2	6	Group A 2	0	Group A 2	0.69