From: Safety and efficacy of mini-percutaneous nephrolithotomy as daycare procedure: a prospective observational study
Parameters
Mean
N
SD
Std. Error mean
P value
Pair 1
Pre-op Hb
12.766
35
2.0716
0.3502
0.0001
Post-op Hb
12.4571
1.90484
0.32198
Pair 2
Pre-op Creatinine
1.2546
1.26149
0.21323
0.060
Post-op serum creatinine
1.1057
0.86158
0.14563