Table 1.
Non-metformin | Short-term metformin | Long-term metformin | Total | |||||
---|---|---|---|---|---|---|---|---|
Males | Females | Males | Females | Males | Females | Males | Females | |
n | 347 | 269 | 163 | 162 | 169 | 143 | 679 | 574 |
Age (years) | 55.22±13.04 | 60.08±21.24b | 54.50±11.38 | 57.73±9.54ah | 56.24±10.23 | 59.58±10.47b | 55.72±12.66 | 59.12±11.45b |
BMI (kg/m2) | 24.55±3.31 | 23.69±3.28b | 26.07±3.29c | 25.57±4.34h | 25.99±3.31d | 25.64±3.72h | 25.23±3.39c | 24.54±3.73b |
DM duration (years) | 8.56±7.48 | 10.07±7.27a | 7.70±6.73 | 10.02±7.82a | 8.99±5.74 | 11.19±6.62b | 8.55±6.89 | 10.39±7.27b |
FPG (mmol/L) | 8.28±2.96 | 8.01±2.74 | 8.31±2.59 | 8.51±2.95 | 8.03±2.66 | 8.25±2.62 | 8.18±2.80 | 8.27±2.74 |
HbA1c (%) | 9.33±2.51 | 9.08±2.36 | 8.85±1.98 | 9.17±3.69 | 8.18±2.61de | 8.46±2.47 | 8.91±2.51 | 9.00±2.85 |
GA (%) | 25.48±9.18 | 23.87±7.84a | 23.33±6.63c | 22.73±5.87 | 21.15±6.49d | 21.59±5.36ah | 23.90±8.21 | 23.14±6.87 |
TC (mmol/L) | 4.67±1.04 | 4.97±1.15b | 4.67±1.21 | 5.11±1.11b | 4.55±0.97 | 4.88±1.03b | 4.62±1.07 | 4.96±1.12b |
TG (mmol/L) | 1.66±1.21 | 1.63±1.39 | 2.19±1.82c | 2.06±1.62h | 1.94±1.51e | 1.93±1.12bh | 1.86±1.48 | 1.83±1.43g |
HDL-C (mmol/L) | 1.04±0.28 | 1.23±0.54b | 0.99±0.22 | 1.16±0.29bg | 0.95±0.19d | 1.11±0.25bg | 1.00±0.25 | 1.17±0.34b |
LDL-C (mmol/L) | 2.75±0.81 | 2.86±0.90 | 2.73±0.75 | 3.16±1.95a | 2.74±0.76 | 2.86±0.81 | 2.74±0.79 | 2.94±1.26b |
ALT (U/L) | 25.54±20.32 | 23.96±17.48 | 29.25±17.72 | 25.34±17.26 | 26.16±17.82 | 24.28±16.80 | 26.43±19.32 | 24.26±17.01 |
AST (U/L) | 21.20±10.64 | 22.77±13.24 | 21.76±10.45 | 22.03±10.09 | 20.43±9.32 | 21.35±12.27 | 21.10±10.42 | 22.02±12.31 |
GGT (U/L) | 34.84±33.67 | 31.44±24.28 | 40.10±33.14 | 35.11±30.72 | 36.04±26.09 | 37.05±50.31 | 36.30±31.24 | 33.97±35.60 |
BUN (mmol/L) | 6.17±7.16 | 5.75±23.91 | 6.74±14.29 | 4.97±1.33 | 5.47±1.55 | 4.97±1.35b | 6.15±8.73 | 5.37±2.99 |
Cr (μmol/L) | 81.41±56.67 | 63.54±46.40b | 73.23±13.78d | 53.98±12.15b | 73.41±19.81d | 59.87±54.04b | 77.58±43.78 | 60.28±45.07b |
UA (μmol/L) | 330.5±88.34 | 289.66±96.51b | 338.07±106. | 299.76±81.32b | 342.72±95.3 | 314.7±69.37bg | 336.30±96.07 | 299.14±88.32b |
GFR (mL/min) | 101.3±25.23 | 96.07±26.19 | 100.15±23.4 | 97.02±23.56 | 99.13±24.52 | 93.60±23.25 | 100.0±25.08 | 95.56±24.30 |
E2 (pmol/L) | 126.1±46.11 | 140.0±220.65 | 114.66±44.8 | 107.52±106.27 | 128.96±47.5 | 113.72±109.5 | 124.24±46.35 | 125.52±75.19 |
T (nmol/L) | 13.97±6.49 | 1.25±1.05b | 13.24±5.29 | 1.31±0.74b | 13.76±5.76 | 3.43±20.20b | 13.77±6.09 | 1.75±9.55b |
FSH (IU/L) | 11.34±12.68 | 48.44±27.47b | 8.05±3.68c | 41.68±24.97bg | 11.54±11.88e | 43.93±24.25b | 10.68±11.25 | 45.82±26.29b |
LH (IU/L) | 7.00±5.88 | 25.78±24.08b | 5.72±3.22 | 20.14±14.04bg | 7.16±5.65 | 22.42±15.32b | 6.76±5.39 | 23.67±20.35b |
PRL (μg/L) | 209.5±119.4 | 261.1±293.2a | 166.04±97.8d | 184.8±130.5 | 222.2±110.3 | 208.31±280.6 | 202.8±114.76 | 231.31±262.52a |
CA199 (U/mL) | 20.08±23.56 | 30.34±59.66b | 15.26±9.65c | 18.19±11.89ah | 8.15±5.89df | 11.18±9.97bhi | 15.97±18.89 | 22.89±15.03b |
Data are mean±SE values.
P<0.05, bP<0.01 versus males; cP<0.05, dP<0.01 versus males of the non-metformin group; eP<0.05, fP<0.01 versus males of the short-term metformin group; gP<0.05, hP<0.01 versus females of the non-metformin group; iP<0.01 versus females of the short-term metformin group.
ALT, alanine aminotransferase; AST, aspartate aminotransferase; BMI, body mass index; BUN, blood urea nitrogen; CA199, carbohydrate antigen 199; Cr, serum creatinine; DM duration, duration of diabetes mellitus; E2, estradiol; FPG, fasting plasma glucose; FSH, follicle-stimulating hormone; GA, glycosylated serum albumin; GFR, glomerular filtration rate; GGT, γ-glutamyl transpeptidase; HbA1c, glycosylated hemoglobin; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; LH, luteinizing hormone; PRL, prolactin; T, testosterone; TC, total cholesterol; TG, triglyceride; UA, uric acid.