Table 1 Demographic and clinical characteristics of participants at baseline
Baseline characteristics | Treatment group, No. (%) | Control | |
|---|---|---|---|
ESPB | SAPB | ||
No | 44 | 47 | 46 |
Age, mean (SD), y | 58(10) | 55(13) | 56(11) |
Height, mean (SD), cm | 163(8) | 164(8) | 162(8) |
Weight, mean (SD), kg | 63(8) | 62(9) | 64(10) |
BMI, mean (SD) | 23.8(2.6) | 23.0(3.4) | 24.3(3.2) |
Sex | |||
 Women | 26(60) | 26(55) | 28(61) |
 Men | 18(40) | 21(45) | 18(39) |
ASA | |||
 I | 21(48) | 22(47) | 22(48) |
 II | 23(52) | 25(53) | 24(52) |
Smoking status | |||
 Non-smoker | 32(73) | 31(66) | 33(72) |
 Smoker | 12(27) | 16(34) | 13(28) |
Hypertension | 17(38) | 14(29) | 13(28) |
Cardiovascular disease | 5(11) | 7(15) | 5(11) |
Diabetes | 6(14) | 5(11) | 10(22) |
Preoperative pain a | 6(14) | 4(9) | 3(7) |
Duration of surgery, mean (SD), min | 106.7(63.0) | 82.1(41.0) | 98.9(50.5) |
Duration of anaesthesia, mean (SD), min | 123.7(65.0) | 102.5(39.9) | 113.5(48.7) |
Location of port (intercostal space) | |||
 4 | 21(48) | 19(40) | 24(52) |
 5 | 23(52) | 28(60) | 22(48) |
Procedure | |||
 LU | 17(39) | 11(23) | 8(17) |
 LL | 3(7) | 7(15) | 4(9) |
 RU | 17(39) | 19(40) | 19(41) |
 RM | 1(2) | 4(9) | 5(11) |
 RL | 6(13) | 6(113) | 10(22) |
Number of chest tubes | |||
 1 | 20(45) | 30(64) | 31(67) |
 2 | 24(55) | 17(36) | 15(33) |