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Table 1 Demographic data of the patients enrolled

From: Gene spectrum analysis of thalassemia for people residing in northern China

Demographic Data

N(%)

Individuals only with α-thalassemia

Individuals only with β-thalassemia

Individuals combined α−/β-thalassemia carriers

Total

1059

359

683

17

Sex distribution

males

299 (28.2)

116 (32.3)

177 (25.9)

6 (35.3)

females

760 (71.8)

243 (67.7)

506 (74.1)

11 (64.7)

Age distribution

0–10

89 (8.4)

28 (7.8)

61 (8.9)

11–20

40 (3.8)

12 (3.3)

28 (4.1)

9 (52.9)

21–30

443 (41.8)

154 (42.9)

280 (41.0)

7 (41.2)

31–40

372 (35.1)

133 (37.0)

232 (34.0)

1 (5.9)

41–50

56 (5.3)

16 (4.5)

39 (5.7)

>50

59 (5.6)

16 (4.5)

43 (6.3)

Geographic distribution

Northern region of China

183 (17.3)

42 (11.7)

140 (20.5)

1 (5.9)

Southern region of China

876 (82.7)

317 (88.3)

543 (79.5)

16 (94.1)

  1. Table Legend: N = number of patients; % = number of events/total number of patients in column*100