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Table 5 Pelvic muscle strength before and after treatments

From: Curative efficacy of low frequency electrical stimulation in preventing urinary retention after cervical cancer operation

  D11qI D11 qII D11 sI D11 sII D14 qI D14 qII D14 sI D14 sII
Bladder training + electrical stimulation group, mean ± SD 1.98 ± 0.86 2.0 ± 0.74 2.06 ± 0.67 2.10 ± 0.66 2.92 ± 0.58 2.75 ± 0.60 2.98 ± 0.56 3.08 ± 0.58
Bladder training group, mean ± SD 2.05 ± 0.65 2.05 ± 0.53 1.93 ± 0.63 1.91 ± 0.65 2.05 ± 0.58 2 ± 0.58 1.88 ± 0.63 1.98 ± 0.60
χ2 value 6.630 6.629 8.353 2.080 35.489 27.037 46.086 46.086
P value 0.085 0.036 0.039 0.353 0.000 0.000 0.000 0.000
  1. D how many days after operation, q superficial pelvic muscle, s deep pelvic muscle, I type I muscle fiber, II type II muscle fiber; for example, D11 sII represents deep type II muscle fiber 11 days after operation