Table 3.

Clinical characteristics of volunteers providing control urine samples.

Patient ID	Patient gender	Patient age
SSc001	Female	23
SSc002	Male	53
SSc003	Male	25
SSc004	Female	49
SSc005	Female	42
SSc006	Female	24
SSc008	Male	43
SSc009	Male	51
SSc011	Male	46
SSc012	Male	53
SSc013	Male	71