Table 1. Population distribution of newly detected leprosy cases in Zhejiang, 2011–2019.

Year	Newly detected cases	Male	Female	Average age (years)	Local residents cases		Floating population cases		T-test of average age
					Number of cases	Average age (years)	Number of cases	Average age (years)	T value	P value
2011	31	18	13	38.87±14.61	7	61.00±12.37	24	32.42±6.78	8.053	<0.001
2012	24	16	8	37.83±15.86	4	56.25±20.12	20	34.15±12.44	2.936	0.008
2013	19	14	5	33.84±11.03	3	47.00±17.52	16	31.38±7.80	2.581	0.019
2014	25	18	7	39.32±16.68	6	61.33±16.50	19	32.37±9.10	5.555	<0.001
2015	18	11	7	44.5±15.14	8	52.38±18.57	10	38.20±8.11	2.180	0.045
2016	13	10	3	31.62±13.21	2	46.50±27.58	11	28.91±8.99	1.916	0.082
2017	15	7	8	43.47±16.64	5	51.60±19.39	10	39.40±14.45	1.381	0.191
2018	11	5	6	34.27±8.98	2	28.50±0.71	9	35.56±10.03	0.954	0.365
2019	11	8	3	31.18±12.42	2	44.00±21.21	9	28.33±9.29	1.781	0.109
Total	167	107	60	37.99±14.81	39	53.23±17.55	128	33.23±10.00	9.067	<0.001