Table 1 Descriptive statistics for all patients and patients in each group. Median, interquartile range [IQR] and sample size are reported for each continuous variable; frequency and percentage (%) are reported for each categorical variable

A1C baseline

6.9, [6.1, 8.4] N = 175,501

6.3, [5.8, 7.7] N = 16,064

6.8, [6.1, 8.5] N = 10,541

6, [5.5, 6.7] N = 28,495

7, [6.3, 8.6] N = 58,384

7.4, [6.5, 8.9] N = 62,017

< 0.0001

A1C category

1, A1C < 5.7

20,564 (12%)

3064 (19%)

1161 (11%)

9938 (35%)

4147 (7%)

2254 (4%)

< 0.0001

2, 5.7 < = A1C < 6.5

46,487 (26%)

5715 (36%)

3275 (31%)

10,064 (35%)

15,327 (26%)

12,106 (20%)

3, 6.5 < = A1C < 8

60,309 (34%)

4083 (25%)

3607 (34%)

4564 (16%)

21,409 (37%)

26,646 (43%)

4, 8 < = A1C

48,141 (27%)

3202 (20%)

2498 (24%)

3929 (14%)

17,501 (30%)

21,011 (34%)

Each patient median A1C

6.9, [6.1, 8.2] N = 175,501

6.4, [5.8, 7.4] N = 16,064

6.7, [6.1, 7.9] N = 10,541

5.9, [5.5, 6.7] N = 28,495

7, [6.2, 8.4] N = 58,384

7.3, [6.5, 8.5] N = 62,017

< 0.0001

Age

53, [45, 58] N = 175,501

49, [41, 56] N = 16,064

51, [43, 57] N = 10,541

50, [41, 57] N = 28,495

53, [46, 58] N = 58,384

55, [48, 59] N = 62,017

< 0.0001

Sex

Male

94,113 (54%)

8621 (54%)

5749 (55%)

14,313 (50%)

32,901 (56%)

32,529 (52%)

< 0.0001

Female

81,376 (46%)

7442 (46%)

4791 (45%)

14,181 (50%)

25,479 (44%)

29,483 (48%)

Other

12 (0%)

1 (0%)

1 (0%)

1 (0%)

4 (0%)

5 (0%)

Complication

1, No

74,589 (43%)

9344 (58%)

4751 (45%)

19,733 (69%)

25,862 (44%)

14,899 (24%)

< 0.0001

2, Short only

49,489 (28%)

4141 (26%)

3105 (29%)

5516 (19%)

17,712 (30%)

19,015 (31%)

3, Long only

25,811 (15%)

1918 (12%)

1495 (14%)

2764 (10%)

8495 (15%)

11,139 (18%)

4, Both

25,608 (15%)

661 (4%)

1188 (11%)

481 (2%)

6314 (11%)

16,964 (27%)

Metro Status

1, metro

155,721 (89%)

14,325 (89%)

9169 (87%)

25,427 (89%)

51,648 (88%)

55,152 (89%)

< 0.0001

2, non-metro

19,780 (11%)

1739 (11%)

1372 (13%)

3068 (11%)

6736 (12%)

6865 (11%)

Continuous CCI*

1, [1, 2] N = 175,078

1, [1, 2] N = 15,877

1, [1, 2] N = 10,450

1, [1, 1] N = 28,403

1, [1, 2] N = 58,336

2, [1, 3] N = 62,012

< 0.0001

Categorical CCI

1,<=2

134,937 (77%)

14,346 (89%)

8577 (81%)

26,423 (93%)

48,775 (84%)

36,816 (59%)

< 0.0001

2, >2

40,564 (23%)

1718 (11%)

1964 (19%)

2072 (7%)

9609 (16%)

25,201 (41%)