Table 1.

Baseline Characteristics Stratified by Hypoglycemia

Baseline CharacteristicsNo Hypoglycemia (n = 8888)Hypoglycemia (n = 285)P Value
Age (y), median/mean (SD)60.63/60.67(14.30)59.40/58.76(15.50).03
Women, n (%)4565(51.36)170(59.65).01
Non-White race/ethnicity, n (%)2605(29.55)102(35.92).02
< High school education, n (%)1267(18.52)39(18.84).91
Diabetes duration, median/mean years (SD)3.70/3.30(1.82)4.57/3.94(1.60)<.001
Hypertension, n (%)5030(56.59)144(50.53).04
Dyslipidemia, n (%)5557(62.52)157(55.09).01
Microvascular disease, n (%)1583(17.81)133(46.67)<.001
Renal failure, n (%)452(5.09)49(15.79)<.001
Neuropathy, n (%)1221(13.74)106(37.19)<.001
Retinopathy, n (%)440(4.95)61(21.40)<.001
Dysrhythmia, n (%)1541(17.34)63(22.11).04
Cerebrovascular disease, n (%)371(4.17)15(5.26).37
Peripheral vascular disease, n (%)317(3.57)11(3.86).79
Cancer, n (%)459(5.16)22(7.72).06
Dementia, n (%)370(4.16)15(5.26).36
Insulin, n (%)2361(26.56)166(58.25)<.001
Sulfonylurea, n (%)2979(33.52)94(32.98).85
≥3 noninsulin antidiabetic agents, n (%)593(6.67)24(8.42).25
Medication count, median/mean (SD)6.00/7.24(6.24)8.00/9.59(7.81)<.001
BMI (kg/m2), median/mean (SD)30.61/31.82(7.51)28.58/30.39(7.89).004
eGFR (mL/min per 1.73 m2), median/mean (SD)74.69/74.25(24.33)71.98/69.62(27.32).002
LDL (mg/dL), median/mean (SD)88.00/92.06(33.52)78.00/83.20(31.35)<.001
HDL (mg/dL), median/mean (SD)49.00/51.29(15.77)53.00/57.44(20.08)<.001
HbA1c (%), median/mean (SD)7.20/7.66(1.62)7.50/7.95(1.89).01
Hospitalization, n (%)1691(19.03)85(29.82)<.001
≥5% weight loss within a year494(10.21)21(11.89).476
≥2 HbA1c measurements/year, n (%)4573(52.22)182(64.08)<.001
Baseline CharacteristicsNo Hypoglycemia (n = 8888)Hypoglycemia (n = 285)P Value
Age (y), median/mean (SD)60.63/60.67(14.30)59.40/58.76(15.50).03
Women, n (%)4565(51.36)170(59.65).01
Non-White race/ethnicity, n (%)2605(29.55)102(35.92).02
< High school education, n (%)1267(18.52)39(18.84).91
Diabetes duration, median/mean years (SD)3.70/3.30(1.82)4.57/3.94(1.60)<.001
Hypertension, n (%)5030(56.59)144(50.53).04
Dyslipidemia, n (%)5557(62.52)157(55.09).01
Microvascular disease, n (%)1583(17.81)133(46.67)<.001
Renal failure, n (%)452(5.09)49(15.79)<.001
Neuropathy, n (%)1221(13.74)106(37.19)<.001
Retinopathy, n (%)440(4.95)61(21.40)<.001
Dysrhythmia, n (%)1541(17.34)63(22.11).04
Cerebrovascular disease, n (%)371(4.17)15(5.26).37
Peripheral vascular disease, n (%)317(3.57)11(3.86).79
Cancer, n (%)459(5.16)22(7.72).06
Dementia, n (%)370(4.16)15(5.26).36
Insulin, n (%)2361(26.56)166(58.25)<.001
Sulfonylurea, n (%)2979(33.52)94(32.98).85
≥3 noninsulin antidiabetic agents, n (%)593(6.67)24(8.42).25
Medication count, median/mean (SD)6.00/7.24(6.24)8.00/9.59(7.81)<.001
BMI (kg/m2), median/mean (SD)30.61/31.82(7.51)28.58/30.39(7.89).004
eGFR (mL/min per 1.73 m2), median/mean (SD)74.69/74.25(24.33)71.98/69.62(27.32).002
LDL (mg/dL), median/mean (SD)88.00/92.06(33.52)78.00/83.20(31.35)<.001
HDL (mg/dL), median/mean (SD)49.00/51.29(15.77)53.00/57.44(20.08)<.001
HbA1c (%), median/mean (SD)7.20/7.66(1.62)7.50/7.95(1.89).01
Hospitalization, n (%)1691(19.03)85(29.82)<.001
≥5% weight loss within a year494(10.21)21(11.89).476
≥2 HbA1c measurements/year, n (%)4573(52.22)182(64.08)<.001

Hypoglycemia, hypoglyemic event between 2000 and 2005, inclusive. Baseline comorbidities were identified between 2000 and 2005, inclusive. Medication exposures were defined as any physician prescription between 2000 and 2005, inclusive. Medication count: total number of chronic medication exposures between 2000 and 2005, inclusive. Three or more noninsulin antidiabetic agents: exposure to 3 or more classes of noninsulin antidiabetic agents between 2000 and 2005, inclusive. Two or more HbA1c measurements per year hospitalization: 1 or more hospitalizations in 2004–2005. Two or more HbA1c measurements/year: 2 or more HbA1c measurements per year, on average, after diabetes diagnosis. Proportion of missing values was less than 25% for any single variable, except more than 5% weight loss within a year where 45% of values were missing (Supplemental Table 2).

Table 1.

Baseline Characteristics Stratified by Hypoglycemia

Baseline CharacteristicsNo Hypoglycemia (n = 8888)Hypoglycemia (n = 285)P Value
Age (y), median/mean (SD)60.63/60.67(14.30)59.40/58.76(15.50).03
Women, n (%)4565(51.36)170(59.65).01
Non-White race/ethnicity, n (%)2605(29.55)102(35.92).02
< High school education, n (%)1267(18.52)39(18.84).91
Diabetes duration, median/mean years (SD)3.70/3.30(1.82)4.57/3.94(1.60)<.001
Hypertension, n (%)5030(56.59)144(50.53).04
Dyslipidemia, n (%)5557(62.52)157(55.09).01
Microvascular disease, n (%)1583(17.81)133(46.67)<.001
Renal failure, n (%)452(5.09)49(15.79)<.001
Neuropathy, n (%)1221(13.74)106(37.19)<.001
Retinopathy, n (%)440(4.95)61(21.40)<.001
Dysrhythmia, n (%)1541(17.34)63(22.11).04
Cerebrovascular disease, n (%)371(4.17)15(5.26).37
Peripheral vascular disease, n (%)317(3.57)11(3.86).79
Cancer, n (%)459(5.16)22(7.72).06
Dementia, n (%)370(4.16)15(5.26).36
Insulin, n (%)2361(26.56)166(58.25)<.001
Sulfonylurea, n (%)2979(33.52)94(32.98).85
≥3 noninsulin antidiabetic agents, n (%)593(6.67)24(8.42).25
Medication count, median/mean (SD)6.00/7.24(6.24)8.00/9.59(7.81)<.001
BMI (kg/m2), median/mean (SD)30.61/31.82(7.51)28.58/30.39(7.89).004
eGFR (mL/min per 1.73 m2), median/mean (SD)74.69/74.25(24.33)71.98/69.62(27.32).002
LDL (mg/dL), median/mean (SD)88.00/92.06(33.52)78.00/83.20(31.35)<.001
HDL (mg/dL), median/mean (SD)49.00/51.29(15.77)53.00/57.44(20.08)<.001
HbA1c (%), median/mean (SD)7.20/7.66(1.62)7.50/7.95(1.89).01
Hospitalization, n (%)1691(19.03)85(29.82)<.001
≥5% weight loss within a year494(10.21)21(11.89).476
≥2 HbA1c measurements/year, n (%)4573(52.22)182(64.08)<.001
Baseline CharacteristicsNo Hypoglycemia (n = 8888)Hypoglycemia (n = 285)P Value
Age (y), median/mean (SD)60.63/60.67(14.30)59.40/58.76(15.50).03
Women, n (%)4565(51.36)170(59.65).01
Non-White race/ethnicity, n (%)2605(29.55)102(35.92).02
< High school education, n (%)1267(18.52)39(18.84).91
Diabetes duration, median/mean years (SD)3.70/3.30(1.82)4.57/3.94(1.60)<.001
Hypertension, n (%)5030(56.59)144(50.53).04
Dyslipidemia, n (%)5557(62.52)157(55.09).01
Microvascular disease, n (%)1583(17.81)133(46.67)<.001
Renal failure, n (%)452(5.09)49(15.79)<.001
Neuropathy, n (%)1221(13.74)106(37.19)<.001
Retinopathy, n (%)440(4.95)61(21.40)<.001
Dysrhythmia, n (%)1541(17.34)63(22.11).04
Cerebrovascular disease, n (%)371(4.17)15(5.26).37
Peripheral vascular disease, n (%)317(3.57)11(3.86).79
Cancer, n (%)459(5.16)22(7.72).06
Dementia, n (%)370(4.16)15(5.26).36
Insulin, n (%)2361(26.56)166(58.25)<.001
Sulfonylurea, n (%)2979(33.52)94(32.98).85
≥3 noninsulin antidiabetic agents, n (%)593(6.67)24(8.42).25
Medication count, median/mean (SD)6.00/7.24(6.24)8.00/9.59(7.81)<.001
BMI (kg/m2), median/mean (SD)30.61/31.82(7.51)28.58/30.39(7.89).004
eGFR (mL/min per 1.73 m2), median/mean (SD)74.69/74.25(24.33)71.98/69.62(27.32).002
LDL (mg/dL), median/mean (SD)88.00/92.06(33.52)78.00/83.20(31.35)<.001
HDL (mg/dL), median/mean (SD)49.00/51.29(15.77)53.00/57.44(20.08)<.001
HbA1c (%), median/mean (SD)7.20/7.66(1.62)7.50/7.95(1.89).01
Hospitalization, n (%)1691(19.03)85(29.82)<.001
≥5% weight loss within a year494(10.21)21(11.89).476
≥2 HbA1c measurements/year, n (%)4573(52.22)182(64.08)<.001

Hypoglycemia, hypoglyemic event between 2000 and 2005, inclusive. Baseline comorbidities were identified between 2000 and 2005, inclusive. Medication exposures were defined as any physician prescription between 2000 and 2005, inclusive. Medication count: total number of chronic medication exposures between 2000 and 2005, inclusive. Three or more noninsulin antidiabetic agents: exposure to 3 or more classes of noninsulin antidiabetic agents between 2000 and 2005, inclusive. Two or more HbA1c measurements per year hospitalization: 1 or more hospitalizations in 2004–2005. Two or more HbA1c measurements/year: 2 or more HbA1c measurements per year, on average, after diabetes diagnosis. Proportion of missing values was less than 25% for any single variable, except more than 5% weight loss within a year where 45% of values were missing (Supplemental Table 2).

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