组别

年龄分层空腹低血糖发生率(%)

[65, 70]

[70, 75]

[75, 80]

≥80

1组

4.33 (87/2009)

5.04 (85/1685)

6.37 (86/1350)

5.67 (94/1658)

2组

3.65 (98/2688)

4.40 (93/2112)

4.60 (74/1610)

4.17 (80/1919)

X2

1.423

0.862

4.520

4.328

P

0.233

0.353

0.034

0.037